CN110907228A - Negative pressure type underwater sludge suction head - Google Patents
Negative pressure type underwater sludge suction head Download PDFInfo
- Publication number
- CN110907228A CN110907228A CN201911234398.4A CN201911234398A CN110907228A CN 110907228 A CN110907228 A CN 110907228A CN 201911234398 A CN201911234398 A CN 201911234398A CN 110907228 A CN110907228 A CN 110907228A
- Authority
- CN
- China
- Prior art keywords
- water
- negative pressure
- fixed
- pipe
- bottom plate
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a negative pressure type underwater sludge suction head, which comprises a bottom plate, a water suction hopper, a water inlet pipe and a sliding knife, wherein the water suction hopper is fixed with the upper end surface of the bottom plate, the lower end surface of the bottom plate is fixed with the sliding knife, and the water inlet pipe is rotatably connected with the water suction hopper.
Description
Technical Field
The invention relates to the technical field of bottom sludge suction, in particular to a negative pressure type bottom sludge suction head.
Background
The blue algae sinks to be dormant in winter and mainly exists on the surface layer of sediments in a local lake area, so that the development of large-scale engineering equipment is hoped to remove lake-bottom blue algae sources before the recovery season of the blue algae, the scale and time of the sending of the lake-bottom blue algae blooms in the next year are delayed, the blue algae, dead residues and active sediments can be removed, and great benefits are provided for preventing local water area algae-derived lake flooding and reducing the release of bottom mud nutritive salts.
The method has the advantages that the method needs to have strong operation capability when the method is used for removing the lake-bottom overwintering blue-green algae seed source in a large shallow lake, the suction efficiency is up to more than 80 percent when the lake-bottom overwintering blue-green algae and dead residues are treated, and obvious sediment pollution release is avoided.
The existing drawing method is to draw or grab the lake bottom sludge through a mud pump or a sludge grab, so that the influence on the original ecological structure of the lake bottom is caused, a large amount of human resources are consumed, the cost is relatively high, the bottom sludge is drawn in a negative pressure mode, the bottom sludge can be efficiently drawn, the influence on the original ecological structure of the lake bottom is avoided, and the required cost is low.
Disclosure of Invention
The invention aims to provide a suction head which can suck sludge by means of negative pressure, can adapt to underwater change by a suction head and can wash and divide the sludge by water flow so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: negative pressure formula submarine mud draws head, this submarine mud draws head include carrier, backward flow subassembly, draw device, drag cable chain, negative pressure cabin, the carrier is fixed with the backward flow subassembly, the negative pressure cabin sets up on the carrier, and the negative pressure cabin is fixed with the device of drawing, drag cable chain one end is fixed with the device of drawing, and the drag cable chain other end is fixed with the carrier. The negative pressure cabin stores the mud-water mixture drawn by the drawing device, when the mud-water mixture in the negative pressure cabin is reduced, the water level difference is formed between the water level in the negative pressure cabin and the lake surface, the negative pressure required by the drawing device for drawing the lake bottom mud-water mixture is generated under the action of the atmospheric pressure, the carrier carries the backflow assembly, the backflow assembly impacts river bottom sludge through backflow water, the sludge is mixed with river water again, the drawing device is convenient to draw the sludge, and the traction lock chain provides forward power for the drawing device.
As a preferred technical scheme, the backflow component comprises a backflow pipe and a water spray pipe, the suction device comprises a bottom plate, a water suction hopper and a water inlet pipe, the negative pressure chamber is arranged on the carrier, the negative pressure chamber is fixed with one end of the water inlet pipe, the other end of the water inlet pipe is arranged on the water suction hopper, the water suction hopper is fixed with the bottom plate, the outer wall of the carrier is provided with cable rings, the outer wall of the water suction hopper is provided with two sets of cable rings, one end of the traction cable chain is fixed with the cable rings on the carrier, the other end of the traction cable chain is fixed with one set of cable rings on the water suction hopper, the carrier is fixed with the backflow pipe, the backflow pipe is fixed with the water inlet pipe, the water spray pipe is fixed with one end of the backflow pipe. One end of the water inlet pipe is connected with the negative pressure cabin, the other end of the water inlet pipe is connected with the water drawing bucket, the water level difference is generated between the negative pressure cabin and the lake surface by drawing the mud-water mixture in the negative pressure cabin, under the action of atmospheric pressure, the mud-water mixture is fed into the negative pressure chamber through the water-drawing bucket and water inlet pipe, the water drawing bucket is fixed with the bottom plate, so that a water drawing cabin is formed between the water drawing bucket and the bottom plate, when the water level in the negative pressure cabin is reduced, under the action of atmospheric pressure, the lake bottom mud-water mixture is pressed into the water-sucking cabin and the water inlet pipe and the conveyer belt negative pressure cabin, the backflow water pipe is connected with the water-spraying pipe, the backflow water is simply treated through the water spraying pipe, the backflow water can evenly impact the sludge on the front portion of the bottom plate, the sludge is sucked more thoroughly, one end of the drag cable chain is connected with the carrier, the other end of the drag cable chain is connected with the water drawing bucket, the water drawing bucket moves along with the carrier through the drag cable chain when the carrier moves, and power for the water drawing bucket to move forwards is provided.
According to a preferable technical scheme, the backflow assembly comprises a backflow water pipe, a water spraying pipe and a water pump, the backflow water pipe is fixed with the carrier, one end of the backflow water pipe is in interference connection with the water pump, the other end of the backflow water pipe is fixed with the water spraying pipe, the water pump is arranged on the carrier, the water spraying pipe is arranged on the upper end face of the bottom plate, and a water spraying through hole is machined in the end face, in contact with the bottom plate, of the water spraying pipe. The water pump absorbs a water source carried by the carrier to provide backflow water for the backflow water pipe, the backflow water pipe is connected with the water spraying pipe, the water spraying pipe is provided with water spraying through holes, the backflow water is simply treated through the water spraying pipe, the backflow water can evenly impact sludge at the front part of the bottom plate through the water spraying through holes, and the sludge absorption efficiency is improved.
As a preferred technical scheme, the pumping device comprises a bottom plate, a sliding knife, a side guard plate, a water inlet, a water spraying port, a slipknot outer ring, a limiting ring, a water pumping bucket, a vertical plate, a water inlet pipe and a cable chain;
one end of the water inlet pipe is fixed with the negative pressure cabin, the other end of the water inlet pipe is sequentially provided with a slipknot outer ring and a limiting ring from inside to outside, a through hole is processed on the vertical plate, the vertical plate is rotatably connected with the water inlet pipe through the through hole, the vertical plate is fixed with the water drawing hopper, the upper end surface of the bottom plate is fixed with the water drawing hopper, the lower end surface of the bottom plate is provided with a slide knife, the bottom plate is sequentially provided with a water inlet and a water spraying port from back to front, the water inlet is positioned below the water drawing hopper, the water spraying port is positioned below the water spraying pipe, the side end surface of the bottom plate and the side end surface of the water drawing hopper are both fixed with a side protection plate, the water drawing hopper and the bottom plate are fixed to form a water drawing cabin for drawing the lake bottom muddy water mixture, the water drawing cabin starts to draw the lake bottom muddy, and a cable loop is arranged on the outer wall of the water inlet pipe, one end of the cable chain is fixed with the cable loop on the water inlet pipe, and the other end of the cable chain is fixed with the other group of cable loops on the water drawing bucket. The slipknot outer ring and the limiting ring are rotatably connected with the water inlet pipe, the limiting ring fixes the position of the slipknot outer ring, the force transmission efficiency between the water inlet pipe and the water drawing bucket is improved through the slipknot outer ring and the limiting ring, the sealing performance between the water inlet pipe and the water drawing bucket is improved, the water inlet pipe can better draw muddy water mixture from the lake bottom through the water drawing bucket, the vertical plate is fixed with the water drawing bucket, the water inlet pipe is rotatably connected with the vertical plate, which is equivalent to the rotatable connection between the water inlet pipe and the water drawing bucket, the water inlet pipe can rotate up and down relative to the water drawing bucket so as to adapt to the angle change between the water inlet pipe and the water drawing bucket caused by the water depth change and the terrain change, the contact force between the bottom plate and the river bottom cannot be influenced, the sliding knife is arranged on the lower end surface of the bottom plate, the existence of the sliding knife is beneficial to uniformly dividing and drawing the river, the river bottom sludge enters the water drawing bucket shell through the water inlet, the backflow water is sprayed out through the water spraying port and impacts the river bottom sludge, the water drawing bucket is fixed with the bottom plate, the side protection plate is fixed with the side end faces of the side protection plate and the two sides of the side protection plate, a water drawing cabin is formed among the three side protection plates, when the water level in the negative pressure cabin is lowered and is lower than the water level of a lake, the water drawing cabin draws the muddy water mixture at the bottom of the lake under the action of the atmospheric pressure, and the muddy water mixture is conveyed into the negative pressure cabin through the water inlet pipe.
As a preferred technical scheme, one end of the bottom plate is designed into an arc shape, one end of the sliding knife is designed into an arc shape, and the sliding knife is in a triangular shape. The bottom plate designs into the arc with slide knife one end, helps reducing the resistance that bottom plate and slide knife slided at the bottom of a river, improves the whole job stabilization who draws the head, and the slide knife designs into the triangle-shaped, and first the triangle-shaped makes the structure of slide knife more firm, is difficult for being destroyed by the hard thing of bottom of a river, and second makes the slide knife cut apart the bottom of a river mud more easily.
As a preferred technical scheme, the inlet tube is of a T-shaped three-way tube structure, a step is arranged on the end face, in contact with the slipknot outer ring, of the T-shaped end of the inlet tube, a step is arranged on the end face, in contact with the inlet tube, of the slipknot outer ring, a part of structure of the T-shaped end of the inlet tube is located in the vertical plate, and the limiting ring is located between the slipknot outer ring and the vertical plate. The inlet tube designs into tee bend tubular form, "T" type interface and draw and connect with the threadless mouth slipknot mode that can rotate between the fill, make the inlet tube and draw and to rotate more in a flexible way between the fill, the surface of inlet tube T type end is toward interior processing has the step, slipknot outer loop internal surface is toward outer processing has the step, through the step interact between the two, make the slipknot outer loop stop in inlet tube T type end certain position, and carry out the rigidity to the slipknot outer loop through the spacing ring, effect through slipknot outer loop and spacing ring, make the inlet tube and draw the strength transmission between the fill more stable, it is more efficient, inlet tube T type end has partial structure to be located inside the riser, it is more convenient to make the inlet tube and draw the rotation between the fill to be connected.
As a preferred technical scheme, the upper end face of the bottom plate is provided with a flow guide block, and two ends of the upper end face of the bottom plate are provided with air bags. The impact of the turbulent flow on the river bottom is relieved through the flow guide block, the pressure of the bottom plate on the river bottom is adjusted through the air bag at the front end of the bottom plate, and the air bag at the rear end of the bottom plate is inflated when necessary, so that the whole suction head is lifted to be convenient to overhaul.
Compared with the prior art, the invention has the beneficial effects that:
1. the carrier carries the negative pressure cabin, through the muddy water mixture in the extraction negative pressure cabin make the water level in the negative pressure cabin descend and produce the water head with the lake surface, under the effect of atmospheric pressure, make lake bottom muddy water mixture be inhaled in the head of drawing with the form of negative pressure to extract to the negative pressure cabin in through the inlet tube, draw the lakebottom mud in this way circulation, not only can not destroy lakebottom original ecological structure, moreover to the efficient of drawing of bed mud.
2. The water inlet pipe is connected with the water drawing bucket in a rotating mode, the water inlet pipe can rotate up and down relative to the water drawing bucket to adapt to angle changes between the water inlet pipe and the water drawing bucket caused by water depth changes and terrain changes, contact force between the bottom plate and the river bottom cannot be affected, the sliding knife is arranged on the lower end face of the bottom plate, river bottom sludge subjected to hydraulic erosion can be evenly divided and drawn into the water drawing bucket shell through the sliding knife, and drawing efficiency is improved.
3. The inlet tube is provided with the grommet, and grommet one end and inlet tube connection, the other end are connected with the water drawing fill, can prevent through the grommet that the angle change between inlet tube and the water drawing fill that the water depth change or the topography change arouses from changing too big problem.
4. The water pump absorbs the water source carried by the carrier to provide backflow water for the backflow water pipe, and the backflow water impacts sludge on the forward moving direction of the bottom plate through the water spraying opening, so that the sludge absorption efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a negative pressure type underwater sludge suction head according to the present invention;
FIG. 2 is a schematic view of the connection of a drag chain, a chain and a scoop of the negative pressure type underwater sludge suction head of the present invention;
FIG. 3 is a schematic view showing the connection between the bottom plate of the negative pressure type underwater sludge suction head and the positions of a water suction hopper, a side guard plate and the like;
FIG. 4 is a schematic view showing the connection of a scoop, a bottom plate and a slide blade of the negative pressure type underwater sludge suction head according to the present invention;
FIG. 5 is a schematic view showing the connection of a water inlet pipe of the negative pressure type underwater sludge suction head of the present invention with a slipknot outer ring, a limiting ring and a vertical plate;
FIG. 6 is a top view of an additional air bag of a suction device of the negative pressure type underwater sludge suction head of the present invention;
FIG. 7 is a left side view of the vertical plate of the negative pressure type underwater sludge suction head of the present invention.
1. A carrier; 4. a traction cable chain; 5. a return flow pipe; 6. a water spray pipe; 7. a water pump; 9. a base plate; 10. sliding a knife; 11. a side guard plate; 12. a water inlet; 13. a water jet; 14. a slipknot outer ring; 15. a limiting ring; 17. a water drawing bucket; 18. a vertical plate; 19. a water inlet pipe; 20. a chain; 21. a grommet; 22. a negative pressure cabin; 23. a flow guide block; 24. an air bag; 25. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1-7, the negative pressure type underwater sludge suction head comprises a carrier 1, a backflow component 2, a suction device 3, a traction cable chain 4 and a negative pressure cabin 22, wherein the carrier 1 and the backflow component 2 are fixed through fixing screws, the negative pressure cabin 22 is welded at the rear end of the carrier 1, the carrier 1 and one end of the traction cable chain 4 are fixed through a grommet 21 and a rope buckle, the negative pressure cabin 22 and the suction device 3 are fixed through welding, and the suction device 3 and the other end of the traction cable chain 4 are fixed through the grommet 21 and the rope buckle.
The backflow component 2 comprises a backflow pipe 5 and a water spraying pipe 6, the suction device 3 comprises a bottom plate 9, a water drawing hopper 17 and a water inlet pipe 19, the carrier 1 and the backflow pipe 5 are fixed through fixing screws, the left and right positions of the rear end of the carrier 1 are welded with cable rings 21, the cable rings 21 on the carrier 1 and one end of a traction cable chain 4 are fixed through cable buckles, the rear end of the carrier 1 is welded with a negative pressure cabin 22, the negative pressure cabin 22 is bucket-shaped, the bottom of the negative pressure cabin 22 is welded and fixed with one end of the water inlet pipe 19, the other end of the water inlet pipe 19 is rotatably connected with the water drawing hopper 17 through a vertical plate 18, the water drawing hopper 17 is welded and fixed with the bottom plate 9, the front end of the outer surface of the water drawing hopper 17 is welded with two groups of cable rings 21, one group of cable rings 21 on the water drawing hopper 17 and the other end of the traction cable chain 4 are fixed through cable buckles, the backflow pipe 5, the spray pipe 6 is welded and fixed with the bottom plate 9.
The backflow component 2 comprises a backflow water pipe 5, a water spraying pipe 6 and a water pump 7, the water pump 7 is fixed at the front end of the carrier 1 through fixing screws, the water pump 7 is in interference connection with one end of the backflow water pipe 5 and is fixed again through a steel wire, the backflow water pipe 5 and the carrier 1 are fixed through the fixing screws, the other end of the backflow water pipe 5 is in interference connection with the water spraying pipe 6 and is fixed again through the steel wire, the water spraying pipe 6 is fixedly welded with the bottom plate 9, and a water spraying through hole is machined in the end face, in contact with the bottom plate 9, of the water spraying.
The pumping device 3 comprises a bottom plate 9, a sliding knife 10, a side guard plate 11, a water inlet 12, a water spraying port 13, a slipknot outer ring 14, a limiting ring 15, a water pumping bucket 17, a vertical plate 18, a water inlet pipe 19 and a cable chain 20;
the water inlet pipe 19 is a water inlet pipe with a T-shaped three-way pipe structure, one end of the water inlet pipe 19 is welded and fixed with the negative pressure cabin 22, the T-shaped end of the water inlet pipe 19 sequentially penetrates through the slipknot outer ring 14 and the limiting ring 15 from inside to outside, a step is cut inwards on the outer surface of the T-shaped end of the water inlet pipe 19, the inner surface of the slipknot outer ring 14 contacting with the water inlet pipe 19 is processed outwards to form a step, the limiting ring 15 is positioned between the slipknot outer ring 14 and the vertical plate 18, the vertical plate 18 is processed with a through hole 25, the T-shaped end of the water inlet pipe 19 is rotatably connected with the vertical plate 18 through the through hole 25, a part of the T-shaped end of the water inlet pipe 19 is positioned inside the vertical plate 18 through the through hole, the vertical plate 18 is welded and fixed with the water drawing hopper 17, the water drawing hopper 17 is welded and fixed with the upper end surface of the bottom plate 9, the lower end surface of the bottom plate 9, The side end face of the water spraying port 13, the side end face of the bottom plate 9 and the side end face of the water drawing bucket 17 are respectively welded with the side protection plate 11, the bottom plate 9, the water drawing bucket 17 and the side protection plate 11 are connected to form a water drawing cabin 26, a cable loop 21 is welded on the water inlet pipe 1, the cable loop 21 on the water inlet pipe 19 and one end of a cable chain 20 are fixed through a cable buckle, the other end of the cable chain 20 and the other group of cable loops 21 on the water drawing bucket 17 are fixed through a cable buckle, the water inlet 12 is located below the water drawing bucket 17, the water spraying port 13 is located below the water spraying pipe 6, and.
One end of the bottom plate 9 is designed into an arc shape, one end of the sliding knife 10 is designed into an arc shape, and the sliding knife 10 is in a triangular shape.
The upper end face of the rear end of the bottom plate 9 is welded with a flow guide block 23, and the front end and the rear end of the upper end face of the bottom plate 9 are fixed with air bags 24 through fixing screws.
The working principle of the invention is as follows: the rear end of the carrier 1 is welded with a negative pressure cabin 22, the negative pressure cabin 22 is welded with one end of a water inlet pipe 19, when the water level in the negative pressure cabin 22 drops, a water level difference is formed between the negative pressure cabin 22 and the lake surface, under the action of atmospheric pressure, lake bottom mud-water mixture is sucked into a water sucking cabin in a negative pressure mode and is extracted into the negative pressure cabin 22 through the water inlet pipe 19, the water inlet pipe 19 is a water inlet pipe with a T-shaped three-way pipe structure, the T-shaped end of the water inlet pipe 19 sequentially penetrates through the slipknot outer ring 14 and the limiting ring 15 from inside to outside, the outer surface of the water inlet pipe 19, which is in contact with the slipknot outer ring 14, is inwards cut with a step, the inner surface of the slipknot outer ring 14, which is in contact with the water inlet pipe 19, is outwards processed with a step, the limiting ring 15 is positioned between the slipknot outer ring 14 and the vertical plate 18, the limiting ring 15 is fixedly supported through the vertical plate 18, and fixes the position of the slip, the vertical plate 18 is welded and fixed with the water drawing bucket 17, so that the water inlet pipe 19 rotates with the water drawing bucket 17 through the vertical plate 18 to adapt to the angle change between the water inlet pipe and the water drawing bucket caused by the water depth change and the terrain change, and the contact force between the bottom plate and the river bottom cannot be influenced.
One end of the water inlet pipe 19 is connected with the negative pressure cabin, the other end of the water inlet pipe 19 is connected with the water drawing cabin 26, the water inlet pipe 26 is provided with a water inlet 12 at the bottom, the outside of the position where the water inlet pipe 19 is connected with the water drawing hopper 17 is provided with the slipknot outer ring 14 and the limiting ring 15, the water inlet pipe 19 increases the sealing performance between the water inlet pipe 19 and the water drawing hopper 17 through the slipknot outer ring 14 and the limiting ring 15, so that the water inlet pipe 19 can only obtain the muddy water mixture through the water drawing cabin 26, when the muddy water mixture in the negative pressure cabin 22 is drawn, the water level in the negative pressure cabin 22 forms a water level difference with the lake water plane, under the action of atmospheric pressure, the lake bottom muddy water mixture enters the water drawing cabin 26 from the water inlet 12 and is sent into the negative pressure cabin 22 through the water inlet pipe 19 again, then the muddy water mixture in the negative pressure cabin 22 is drawn again, the muddy water mixture is continuously drawn from the lake bottom, and the efficiency of pumping the mud-water mixture is high.
The arc is designed into to 9 one end of bottom plate, the arc is designed into to smooth sword 10 one end, smooth sword 10 is three horn shapes, the terminal surface is earlier through fixed screw fixed smooth sword 10 under the bottom plate 9, the smooth sword 10 of rethread welding second fixation, bottom plate 9 and smooth sword 10 one end design into the arc, help reducing the resistance that bottom plate 9 and smooth sword 10 slided at the bottom of a river, improve the whole job stabilization who draws the head, smooth sword 10 designs three horn shapes, firstly three horn shapes make the structure of smooth sword more firm, be difficult for being destroyed by the bottom of a river hard object, secondly make the smooth sword cut apart bottom of a river mud more easily.
The front end of the carrier 1 is fixedly provided with a water pump 7, the water pump 7 is connected with one end of a backflow water pipe 5, a part of the backflow water pipe 5 is fixed on the carrier 1, the other end of the backflow water pipe 5 is fixed with a water spray pipe 6, the water spray pipe 6 is welded and fixed with a bottom plate 9, a water spray through hole is processed on the end face, in contact with the bottom plate 9, of the water spray pipe 6, a water spray opening 13 is processed on the bottom plate 9, the water spray opening 13 is positioned below the water spray pipe 6, water pumped up by the water pump 7 through the backflow water pipe 5 is transmitted into the water spray pipe 6, the water spray pipe 6 sprays water through the water spray opening 13, and water sprayed out through the water spray pipe 6 washes sludge in the forward direction of the bottom plate 9, so that the sliding knife 10 can conveniently divide the.
The left and right positions of the rear end of a carrier 1 are welded with cable rings 21, the cable rings 21 on the carrier 1 and one end of a traction cable chain 4 are fixed through cable buckles, the other end of the traction cable chain 4 is fixed with a group of cable rings 21 on a water drawing bucket 17 through cable buckles, the front end of the outer surface of the water drawing bucket 17 is welded with two groups of cable rings 21, a cable ring 21 is welded on a water inlet pipe 1, the cable ring 21 on the water inlet pipe 19 and one end of a cable chain 20 are fixed through cable buckles, the other end of the cable chain 20 and the other group of cable rings 21 on the water drawing bucket 17 are fixed through cable buckles, a flow guide block 23 is welded on the upper end surface of the rear end of a bottom plate 9, air bags 24 are fixed on the front and rear ends of the upper end surface of the bottom plate 9 through fixing screws, one end of the traction cable chain 4 is connected with the carrier 1, the other end is connected with the water drawing bucket 17, the water drawing bucket 17 moves together, the other end of the water suction head is connected with the water suction hopper 17, the problem of overlarge angle change between the water inlet pipe 19 and the water suction hopper 17 caused by water depth change or terrain change can be prevented through the grommet 20, the impact of turbulent flow on the river bottom is relieved through the flow guide block 23, the pressure of the bottom plate 9 on the river bottom is adjusted through the air bag 24 at the front end of the bottom plate 9, and the air bag 24 at the rear end of the bottom plate 9 is inflated as necessary, so that the whole water suction head is lifted to be convenient for maintenance.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The negative pressure type underwater sludge drawing head is characterized in that: this submarine mud draws head includes carrier (1), backward flow subassembly (2), draws device (3), traction cable chain (4), negative pressure cabin (22), carrier (1) is fixed with backward flow subassembly (2), negative pressure cabin (22) set up on carrier (1), and negative pressure cabin (22) are fixed with drawing device (3), traction cable chain (4) one end is fixed with drawing device (3), and traction cable chain (4) other end is fixed with carrier (1).
2. The negative pressure type underwater sludge drawing head of claim 1, wherein: the backflow component (2) comprises a backflow water pipe (5) and a water spraying pipe (6), the pumping device (3) comprises a bottom plate (9), a water drawing hopper (17) and a water inlet pipe (19), the negative pressure chamber (22) is arranged on the carrier (1), the negative pressure chamber (22) is fixed with one end of the water inlet pipe (19), the other end of the water inlet pipe (19) is arranged on the water drawing hopper (17), the water drawing hopper (17) is fixed with the bottom plate (9), cable rings (21) are arranged on the outer wall of the carrier (1), two groups of cable rings (21) are arranged on the outer wall of the water drawing hopper (17), one end of the traction cable chain (4) is fixed with the cable rings (21) on the carrier (1), the other end of the traction cable chain (4) is fixed with the cable rings (21) on the water drawing hopper (17), the carrier (1) is fixed with the backflow water pipe (5), and the backflow water pipe (5) is fixed with the water inlet pipe (19), the water spraying pipe (6) is fixed with one end of the water return pipe (5), and the water spraying pipe (6) is arranged on the bottom plate (9).
3. The negative pressure type underwater sludge drawing head of claim 2, wherein: the backflow component (2) comprises a backflow water pipe (5), a water spraying pipe (6) and a water pump (7), the backflow water pipe (5) is fixed to the carrier (1), one end of the backflow water pipe (5) is in interference connection with the water pump (7), the other end of the backflow water pipe (5) is fixed to the water spraying pipe (6), the water pump (7) is arranged on the carrier (1), the water spraying pipe (6) is arranged on the upper end face of the bottom plate (9), and a water spraying through hole is machined in the end face, in contact with the bottom plate (9), of the water spraying pipe (6).
4. The negative pressure type underwater sludge drawing head of claim 2, wherein: the drawing device (3) comprises a bottom plate (9), a sliding knife (10), a side guard plate (11), a water inlet (12), a water spraying port (13), a slipknot outer ring (14), a limiting ring (15), a drawing hopper (17), a vertical plate (18), a water inlet pipe (19) and a cable chain (20);
one end of the water inlet pipe (19) is fixed with the negative pressure chamber (22), the other end of the water inlet pipe (19) is sequentially provided with a slipknot outer ring (14) and a limiting ring (15) from inside to outside, a through hole (25) is processed in the vertical plate (18), the vertical plate (18) is rotatably connected with the water inlet pipe (19) through the through hole (25), the vertical plate (18) is fixed with the water drawing bucket (17), the upper end surface of the bottom plate (9) is fixedly provided with the water drawing bucket (17), the lower end surface of the bottom plate (9) is provided with a sliding cutter (10), the bottom plate (9) is sequentially provided with a water inlet (12) and a water spraying port (13) from back to front, the water inlet (12) is positioned below the water drawing bucket (17), the water spraying port (13) is positioned below the water spraying pipe (6), the side end surface of the bottom plate (9) and the side end surface of the water drawing bucket (17) are both fixed with the side protection plate (11), the bottom plate (9) is fixedly provided with a water pumping cabin (26) for pumping the lake bottom mud-water mixture, the water pumping cabin (26) starts to pump the lake bottom mud-water mixture when the water level in the negative pressure cabin (22) drops to be lower than the horizontal level and conveys the mud-water mixture to the negative pressure cabin (22) through the water inlet pipe (19), the outer wall of the water inlet pipe (19) is provided with a cable loop (21), one end of the cable chain (20) is fixed with the cable loop (21) on the water inlet pipe (19), and the other end of the cable chain (20) is fixed with the other group of cable loops (21) on the water pumping bucket (17).
5. The negative pressure type underwater sludge drawing head of claim 4, wherein: one end of the bottom plate (9) is designed into an arc shape, one end of the sliding knife (10) is designed into an arc shape, and the sliding knife (10) is in a triangular shape.
6. The negative pressure type underwater sludge drawing head of claim 4, wherein: the inlet tube (19) is the inlet tube of a T type tee bend tubular structure, the T type end of inlet tube (19) is provided with the halfpace with the terminal surface of slipknot outer loop (14) contact, the terminal surface of slipknot outer loop (14) and inlet tube (19) contact is provided with the halfpace, the T type end of inlet tube (19) has partial structure to be located riser (18) inside, spacing ring (15) are located between slipknot outer loop (14) and riser (18).
7. The negative pressure type underwater sludge drawing head of claim 4, wherein: the upper end face of the bottom plate (9) is provided with a flow guide block (23), and two ends of the upper end face of the bottom plate (9) are provided with air bags (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234398.4A CN110907228B (en) | 2019-12-05 | 2019-12-05 | Negative pressure type underwater sludge suction head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234398.4A CN110907228B (en) | 2019-12-05 | 2019-12-05 | Negative pressure type underwater sludge suction head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110907228A true CN110907228A (en) | 2020-03-24 |
| CN110907228B CN110907228B (en) | 2020-10-27 |
Family
ID=69822840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911234398.4A Active CN110907228B (en) | 2019-12-05 | 2019-12-05 | Negative pressure type underwater sludge suction head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110907228B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624560A (en) * | 2021-09-27 | 2021-11-09 | 枣庄高新建设集团有限公司 | Underwater environment surveying device for hydraulic engineering |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4252020A (en) * | 1979-06-28 | 1981-02-24 | Ongley Edwin D | Continuous flow centrifugation sampling apparatus |
| JP2005221382A (en) * | 2004-02-05 | 2005-08-18 | Tsurumi Seiki:Kk | Benthos collection system |
| CN205879596U (en) * | 2016-08-02 | 2017-01-11 | 河海大学常州校区 | Multi functional remote unmanned ship and control system thereof |
| CN206300813U (en) * | 2016-12-19 | 2017-07-04 | 上海海洋大学 | A kind of vessel ballast hydromining water installations |
| CN107831047A (en) * | 2017-12-05 | 2018-03-23 | 天津海辰华环保科技股份有限公司 | Vapour-pressure type deepwater substrate sludge sampling device |
| CN207241970U (en) * | 2017-09-29 | 2018-04-17 | 北京东方园林环境股份有限公司 | A kind of unmanned boat equipment sampled automatically for water quality |
| CN110080187A (en) * | 2019-05-31 | 2019-08-02 | 广西唐歌企业管理有限公司 | One kind drawing separator |
-
2019
- 2019-12-05 CN CN201911234398.4A patent/CN110907228B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4252020A (en) * | 1979-06-28 | 1981-02-24 | Ongley Edwin D | Continuous flow centrifugation sampling apparatus |
| JP2005221382A (en) * | 2004-02-05 | 2005-08-18 | Tsurumi Seiki:Kk | Benthos collection system |
| CN205879596U (en) * | 2016-08-02 | 2017-01-11 | 河海大学常州校区 | Multi functional remote unmanned ship and control system thereof |
| CN206300813U (en) * | 2016-12-19 | 2017-07-04 | 上海海洋大学 | A kind of vessel ballast hydromining water installations |
| CN207241970U (en) * | 2017-09-29 | 2018-04-17 | 北京东方园林环境股份有限公司 | A kind of unmanned boat equipment sampled automatically for water quality |
| CN107831047A (en) * | 2017-12-05 | 2018-03-23 | 天津海辰华环保科技股份有限公司 | Vapour-pressure type deepwater substrate sludge sampling device |
| CN110080187A (en) * | 2019-05-31 | 2019-08-02 | 广西唐歌企业管理有限公司 | One kind drawing separator |
Non-Patent Citations (1)
| Title |
|---|
| 何延召 等: "巢湖表层沉积物中生物易降解物质成分特征与分布规律", 《湖泊科学》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624560A (en) * | 2021-09-27 | 2021-11-09 | 枣庄高新建设集团有限公司 | Underwater environment surveying device for hydraulic engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110907228B (en) | 2020-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111022055B (en) | Hydraulic jet type seabed polymetallic nodule collecting device and method | |
| CN103541388B (en) | A kind of silt remover | |
| CN205895240U (en) | Deep sea seabed collection ore device | |
| CN102418358A (en) | Power positioning jet-flow spraying type ditcher | |
| CN103930624A (en) | Suction mouth for a subsea mining tool | |
| CN110907228B (en) | Negative pressure type underwater sludge suction head | |
| US10883250B2 (en) | Dredging apparatus and method of dredging | |
| CN202247995U (en) | Power-positioning jet-flow jetting type trench excavator and intelligent trenching device thereof | |
| CN211395787U (en) | River channel dredging device | |
| JP2021171664A (en) | Recovery treatment device of floating oil | |
| CN101148894A (en) | Boat-carrying flushing-stirring integrated mire river dredging device | |
| WO2001014649A1 (en) | Apparatus and method for sea bed excavation | |
| CN110863526B (en) | Negative pressure type circulating water flow drawing device | |
| JP2001214879A (en) | Bottom sampling strainer for submergible pump having excavating function | |
| US9745715B2 (en) | Dredge with water-jet cutterhead | |
| CN201991023U (en) | Integral hydraulic dredging implement for excavating and transporting sediment | |
| CN211057900U (en) | Dredging device for hydraulic engineering | |
| JP2009022834A (en) | Apparatus for recovering useless algae, floating mud and the like floating or depositing in water and on water bottom | |
| CN203546792U (en) | Novel desilting machine | |
| JP7084763B2 (en) | Dredging device | |
| CN113175016A (en) | Composite underwater power dredging drag harrow | |
| CN105735398A (en) | Robot for damming and land reclamation | |
| JPS62111029A (en) | Pump type dredger | |
| CN217232025U (en) | Desilting device for flat river regulation | |
| CN201391466Y (en) | No-overflow drag and suction absorbing sludge pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |