CN210737654U

CN210737654U - Pond sludge removing equipment

Info

Publication number: CN210737654U
Application number: CN201921553127.0U
Authority: CN
Inventors: 田竞; 焦蒙蒙; 许阳; 李�浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-28
Filing date: 2019-09-18
Publication date: 2020-06-12
Anticipated expiration: 2029-09-18

Abstract

The utility model relates to the technical field of a sludge removing device at the bottom of a pond, in particular to a pond sludge removing device, a sludge lifting device and a sludge-water separator are arranged on a sludge removing ship, the sludge lifting device comprises a water conduit, a sludge lifting pipe, a throat pipe and a lifting water pump, the lower end of the water conduit is positioned in a water layer of the pond, the upper end of the water conduit is communicated with the water inlet end of the lifting water pump, the water outlet end of the lifting water pump is communicated with the throat pipe, the upper end of the sludge lifting pipe is communicated with the throat pipe, the lower end of the sludge lifting pipe vertically extends into a sludge layer of the pond, the ratio of the diameter of the throat pipe to the diameter of the sludge lifting pipe at a communication port connected with the throat pipe is 1:2-1:2.5, the tail end of the throat pipe is connected with the separator, a water outlet of the sludge-water separator is discharged into the, the device sucks sludge through pressure difference, the sludge is not damaged at the bottom of the tank, the dredging degree is easy to master, and the thickness of the left sludge is consistent.

Description

Pond sludge removing equipment

Technical Field

The utility model relates to a pond bottom silt clearing device technical field, concretely relates to pond silt clears away equipment.

Background

At present, the silt siltation phenomenon of scenic spots and campus landscapes in China is common, the pond desilting work is mostly realized by a mud pump or a desilting ship, and the two modes have a plurality of defects. Draw out mud mixture water through the slush pump together, carry near mud water treatment plant through desilting ship and transport vechicle and carry out mud-water separation, mud-water mixture weight is big, the transportation degree of difficulty is big with the cost of transportation to it is amasss greatly to generally desilting hull, be fit for in the strong river course of mobility, generally be not suitable for miniature view pond, be difficult to carry out desilting uniformly to a plurality of places in pond, adopt the silt thickness unanimity of the unable assurance bottom of pool of this kind of desilting mode, be unfavorable for the growth of view plant in the pond.

In order to control the dredging degree and reduce the scale of the device, sludge treatment equipment specially aiming at small and medium-sized ponds is designed.

Disclosure of Invention

To the defect and the problem that exist among the prior art, the utility model provides a pond silt scavenging apparatus, this equipment utilize the venturi principle to pass through pressure difference and absorb silt, to the bottom of the pool not damaged, the desilting degree is easily mastered moreover, and the bed mud thickness that leaves is unanimous.

The utility model provides a scheme that its technical problem adopted is: a pond sludge removing device comprises a dredging ship, wherein a sludge lifting device and a sludge-water separator are arranged on the dredging ship, the sludge lifting device comprises a water guide pipe, a sludge lifting pipe, a throat pipe and a lifting water pump, the lower end of the water guide pipe is positioned in a pond water layer, the upper end of the water guide pipe is communicated with the water inlet end of the lifting water pump, the water outlet end of the lifting water pump is communicated with the throat pipe, the upper end of the sludge lifting pipe is communicated with the throat pipe, the lower end of the sludge lifting pipe vertically extends into the pond sludge layer, the diameter of the throat pipe at a communication port connected with the throat pipe is the minimum, the ratio of the diameter of the throat pipe at the communication port to the diameter of the sludge lifting pipe is 1:2-1:2.5, the diameters of the throat pipes are gradually increased from the communication port to two ends, the tail end of the throat pipe is connected with the sludge-water separator, and a water outlet of, the mud outlet of the mud-water separator is connected with a mud loading bin.

Furthermore, a sludge sucker is installed at the lower end of the sludge lifting pipe, and the end with the larger caliber of the sludge sucker extends downwards into the sludge layer.

Furthermore, a filter screen is arranged in the sludge suction cup.

Further, the diameter of the throat at the connection part with the sludge riser is 50-75mm, and the diameter of the sludge riser is 100-150 mm.

Furthermore, a tapered connecting pipe is installed at the communicating opening of the throat pipe through threads, the end with the small caliber of the tapered connecting pipe is connected with the communicating opening of the throat pipe, and the end with the large caliber of the tapered connecting pipe is connected with the sludge lifting pipe.

Further, the mud-water separator is a centrifugal mud-water separator.

The utility model has the advantages that: the utility model discloses a pond silt clean-out equipment utilizes the venturi effect to pass through pressure difference and absorbs silt, to the bottom of the pool not damaged, and the desilting degree is easily mastered moreover, and the bed mud thickness that leaves is unanimous, can cyclic utilization water in the pond reach the purpose of removing silt, the energy can be saved.

The silt cleaning device of this device can concentrate and clear away local silt, and the desilting ship is small, and it is more sensitive to remove and turn round current large-scale desilting ship relatively, and the desilting ship of small volume can enter into narrow and small passageway between the pond plants or the corner position in the pond, the thick local position of selective clearance pond bottom silt. And can the automatic control height of silt under water, after the silt height of being cleared up the region reaches required height, no longer have the silt to be promoted out, guaranteed to leave the silt layer of appropriate thickness below the pond, the filter screen can also prevent that other sediment admission pipes in pond bottom from blockking up simultaneously. And moreover, the mud and water can be separated on the dredging ship, so that the mud and water mixture does not need to be concentrated into a corresponding mud and water treatment plant again for mud and water separation, the mud and water separation process is simplified, the separated water is directly and circularly discharged into the pond, on one hand, a water source is not required to be additionally supplemented into the artificial lake, on the other hand, only the remaining sludge needs to be transported, and the transportation cost is greatly reduced. The dredging machine can be operated by one worker, saves labor cost, has high efficiency, is flexible and convenient, and can be taken and used at any time. Because the pollutant is few in various miniature ponds, the artifical lake in campus and the pond of vwatching to the flat highly uniform and the sediment of bottom of the pool is few, this device advantage is obvious in the desilting work in various miniature ponds, the artifical lake in campus and the pond of vwatching, and the silt that the pollutant is few is clear away very practically to various miniature ponds, the artifical lake in campus and in the pond of vwatching, and the cost is little has popularization meaning. The device can solve the existing problem of pond decontamination, and effectively reduces the sludge treatment cost of the landscape pond.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the tapered adapter.

In the figure: 1-a dredging boat, 2-a water conduit, 3-a sludge lifting pipe, 4-a choke, 5-a lifting water pump, 6-a sludge sucker, 7-a filter screen, 8-a mud-water separator, 9-a sludge loading bin and 10-a conical connecting pipe.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1: a pond sludge removing device is shown in figures 1-2 and comprises a dredging ship 1, wherein a sludge lifting device and a sludge-water separator are arranged on the dredging ship, the sludge lifting device comprises a water conduit 2, a sludge lifting pipe 3, a throat pipe 4 and a lifting water pump 5, the lower end of the water conduit 2 is positioned in a pond water layer, the upper end of the water conduit 2 is communicated with the water inlet end of the lifting water pump 5, the water outlet end of the lifting water pump 5 is communicated with the throat pipe 4, and water in a pond is pumped up through the water conduit 2 by the lifting water pump 5 and enters the throat pipe 4. The upper end of the sludge lifting pipe 3 is communicated with the throat pipe, specifically, a tapered connecting pipe 10 is installed at a communicating opening of the throat pipe 4 through threads, one end with a small caliber of the tapered connecting pipe 10 is connected with the communicating opening of the throat pipe 4, one end with a large caliber of the tapered connecting pipe 10 is connected with the sludge lifting pipe 3, the lower end of the sludge lifting pipe 3 vertically extends into a pond sludge layer, the diameter of the throat pipe at the communicating opening connected with the throat pipe 4 of the sludge lifting pipe 3 is the minimum, the ratio of the diameter of the throat pipe 4 at the communicating opening to the diameter of the sludge lifting pipe 3 is 1:2-1:2.5, in the embodiment, the diameter of the throat pipe 4 at the connecting part with the sludge lifting pipe 3 is 50mm, the diameter of the sludge lifting pipe 4 is 10mm, the connecting part of the sludge lifting pipe 4 and the throat pipe 3 utilizes the venturi effect to lift out sludge at the bottom of the pond, and the venturi effect is expressed, namely, the position of the throat 4 with the minimum diameter, the flow velocity of the fluid is increased, the flow velocity is inversely proportional to the flow cross section, the increase of the flow velocity is accompanied with the reduction of the fluid pressure, namely, low pressure is generated in the throat which flows at high speed, at the moment, the pressure in the sludge lifting pipe 3 is greater than the pressure in the throat, so that adsorption is generated, the sludge at the bottom of the sludge lifting pipe 3 is adsorbed and mixed with high-speed water flow in the throat 4 at a communication port, the tail end of the throat 4 is connected with a mud-water separator 8, and the mixed mud flows into the mud-water separator 8. And the diameter of the throat pipe 4 is gradually increased from the communication port to the two ends, so that the sludge and water mixture can be quickly transported to the mud-water separator 8. The mud-water separator 8 is a centrifugal mud-water separator, and the mud-water separator 8 separates mud from water by using the difference of centrifugal force between mud and water. The method comprises the specific steps that after sludge and a flocculating agent with a certain concentration are fully mixed in a mixer, tiny solid particles in the sludge are coagulated into a floccule with a larger volume, meanwhile, free water is separated through a centrifugal machine, a water outlet of a mud-water separator discharges the separated water back to a pond through a water discharge pipe, the water flows back to the pond again, and no additional water source is needed to be supplemented to an artificial lake. The sludge outlet of the mud-water separator 8 is connected with a sludge loading bin 9, sludge is stored in the sludge loading bin 9, and after the sludge in the sludge loading bin 9 is fully stacked, the separated sludge is transported to other places in a unified way.

Example 2: a pond sludge removing apparatus of the present embodiment will be described centering on the points different from those in embodiment 1.

In this embodiment, the lower extreme that 3 pipes were promoted to silt installs silt sucking disc 6, and 6 great one ends of aperture of silt sucking disc stretch into in the silt layer downwards. The sludge sucker 6 can increase the contact area with sludge, increase the sludge adsorption amount and accelerate the sludge removal speed. Install filter screen 7 in silt sucking disc 6 simultaneously, can also prevent other sediments admission pipe in the pond bottom, prevent to block up. The device can also utilize remote control automatic control, and can finish the dredging of the whole pond.

The silt cleaning device of this device can concentrate and clear away local silt, the thick local position of selective clearance pond bottom silt. And the height of silt under water can be monitored automatically to silt suction cup 6, and when the silt in the clearance region highly reaches required height, promptly after silt suction cup 6 and silt contactless, silt then can not promoted out, can carry out the work of cleaing away in next region this moment, has guaranteed to leave the silt layer of appropriate thickness below the pond. Moreover, the mud and water can be separated on the dredging ship 1, the mud and water mixture does not need to be concentrated into a corresponding mud and water treatment plant again for mud and water separation, the mud and water separation process is simplified, the separated water is directly and circularly discharged into a pond, on one hand, a water source is not needed to be additionally supplemented into an artificial lake, on the other hand, only the residual mud needs to be transported, and the transportation cost is greatly reduced.

Claims

1. A pond silt removing equipment is characterized in that: comprises a dredging ship, wherein a sludge lifting device and a mud-water separator are arranged on the dredging ship, the sludge lifting device comprises a water conduit, a sludge lifting pipe, a throat pipe and a lifting water pump, wherein the lower end of the water conduit is positioned in the water layer of the pond, the upper end of the water conduit is communicated with the water inlet end of the lift pump, the water outlet end of the lift pump is communicated with the throat pipe, the upper end of the sludge lifting pipe is communicated with the throat pipe, the lower end of the sludge lifting pipe vertically extends into a sludge layer of the pond, the diameter of the throat pipe at the communicating opening connected with the throat pipe is the smallest, the ratio of the diameter of the throat pipe at the communicating opening to the diameter of the sludge lifting pipe is 1:2-1:2.5, the diameter of the throat pipe gradually increases from the communicating opening to two ends, the tail end of the throat pipe is connected with a mud-water separator, the water outlet that the mud-water separator includes discharges to the pond in through the drain pipe, and the mud outlet of mud-water separator is connected with silt and loads the storehouse.

2. A pond sludge removal apparatus as claimed in claim 1, wherein: and a sludge sucker is arranged at the lower end of the sludge lifting pipe, and the end with the larger caliber of the sludge sucker extends downwards into the sludge layer.

3. A pond sludge removal apparatus as claimed in claim 2, wherein: and a filter screen is arranged in the sludge suction cup.

4. A pond sludge removal apparatus as claimed in claim 1, wherein: the diameter of the throat at the joint with the sludge riser is 50-75mm, and the diameter of the sludge riser is 100-150 mm.

5. A pond sludge removal apparatus as claimed in claim 1, wherein: the connecting opening of the throat pipe is provided with a tapered connecting pipe through threads, one end of the tapered connecting pipe with a small caliber is connected with the connecting opening of the throat pipe, and the other end of the tapered connecting pipe with a large caliber is connected with the sludge lifting pipe.

6. A pond sludge removal apparatus as claimed in claim 1, wherein: the mud-water separator is a centrifugal mud-water separator.