CN204475297U - Portable duckweed refloatation device - Google Patents

Abstract

The utility model discloses a kind of portable duckweed refloatation device, comprise delivery pump; Ji Pingkou, is arranged on the pumping hole of this delivery pump, and this Ji Pingkou is funnel-form; Buoyancy aid, is fixed on delivery pump or Ji Pingkou by buoyancy aid braced structures; Dehydrator, is connected with the port of export of delivery pump by conveyance conduit.Fishing device of the present utility model can improve salvaging efficiency greatly.

Description

Portable duckweed fishing device

technical field

The utility model relates to the fields of environmental protection equipment and water pollution control, in particular to a portable duckweed fishing device.

Background technique

In recent years, with the sustained and rapid development of my country's national economy, water environment pollution has become increasingly serious. A considerable part of my country's inland rivers and their tributaries, lakes, and reservoirs have experienced large-scale flooding of duckweed. Large-scale duckweed outbreaks will bring a series of problems, such as polluting water quality and threatening the safety of drinking water; covering waterways, hindering navigation, and affecting Shipping safety; polluting water bodies, affecting the healthy development of aquaculture industry; polluting water quality, breeding germs; destroying the ecological balance of water bodies, etc. The management of duckweed on the water surface usually adopts physical methods, chemical methods and biological methods, and the chemical methods mostly use chemical agents such as copper sulfate and potassium permanganate to inhibit duckweed, which has the characteristics of quick effect and thorough killing. The chemical method can cure the symptoms but not the root cause, and will cause secondary pollution, which has a great impact on the organisms in the water body; the biological method mainly uses some microorganisms that can inhibit the growth of duckweed in nature to spread in duckweed waters to inhibit the breeding of duckweed. Compared with the chemical control method, it has less impact on the environment, but the effect is slow, and there is still a certain degree of ecological risk.

At present, the treatment of duckweed in our country mainly adopts the method of physical salvage, and the equipment used is mainly salvage boats or manual salvage. However, due to the high mobility of duckweed, strong reproductive ability, and the narrowness of some rivers, the salvage boats can also work. Very difficult, and manual salvage work is heavy, efficiency is low, therefore it is necessary to develop a kind of portable, high-efficiency, higher degree of automation novel duckweed salvage equipment.

Utility model content

The technical problem to be solved by the utility model is to provide a fast, efficient and practical portable duckweed fishing device in view of the defects of heavy work and low efficiency in manually salvaging duckweed in the prior art. Features such as small water impact.

The technical scheme that the utility model solves its technical problem adopts is:

A portable duckweed fishing device is provided, comprising:

Pump;

The collecting port is installed on the pump port of the delivery pump, and the collecting port is funnel-shaped;

The floating body is fixed on the delivery pump or the draining port through the supporting structure of the floating body;

The dehydrator is connected with the outlet end of the delivery pump through the delivery pipeline.

In the device described in the utility model, the delivery pump is placed horizontally in the water, and the delivery pump is provided with a floating body frame, and the floating body is placed in the floating body frame.

In the device described in the utility model, the duckweed mouth is connected to the pump port of the delivery pump through a duckweed delivery pipe bent at right angles, and a height regulator is also arranged between the duckweed mouth and the duckweed delivery pipe.

In the device described in the utility model, the delivery pump is a vertical submersible sewage pump with its own cutting function. The float is fixed on both sides of the pump by forming a column with threaded rods and nuts.

In the device described in the utility model, the dehydrator includes a dehydration bracket and a dehydration filter bucket, the dehydration bracket is foldable, the dehydration filter bucket is fixed by the dehydration bracket, and the bottom of the dehydration filter bucket is a pullable filter plate, which is close to the bottom The barrel wall is provided with a duckweed filtered water discharge pipe.

In the device described in the utility model, the dehydration filter bucket is a quadrangular prism with small holes for water filtration on the hole wall.

In the device described in the utility model, a cross-shaped tendon is provided in the mouth of the platform.

The beneficial effects produced by the utility model are: the fishing device of the utility model has high fishing efficiency, and compared with the traditional manual fishing, the duckweed fishing machine can continuously carry out the steps of collecting, transporting and dehydrating. The funnel-shaped collecting platform can greatly increase the collecting area.

Further, cross-shaped ribs are installed near the suction port of the duckweed mouth, which can destroy the air column generated during suction to prevent air from entering the pump and causing the duckweed to be unable to be transported normally.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is the front view of the portable duckweed fishing device of the utility model embodiment;

Fig. 2 is a side view of the portable duckweed fishing device according to Embodiment 1 of the utility model;

Fig. 3 is the plan view of the duckweed mouth of embodiment one of the utility model;

Fig. 4 is the salvage principle diagram of the portable duckweed salvage device of embodiment one and embodiment two of the present invention;

Fig. 5 and Fig. 6 are partial structural schematic diagrams of the portable duckweed fishing device according to the second embodiment of the utility model;

Fig. 7 is a schematic diagram of a dehydration device according to an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1 and 4, it is a portable duckweed fishing device according to an embodiment of the present invention, which includes a delivery pump 5, a duckweed mouth 1, a floating body 2 and a dehydrator 11.

The draining port 1 is installed on the pump port of the conveying pump 5, and the draining port 1 is funnel-shaped; the floating body 2 is fixed on the conveying pump 5 or the draining port 1 through the support structure of the floating body, and the part of the fishing device placed in the water is placed on the floating body 2 floats or is suspended in water; the dehydrator 11 is connected to the outlet end of the delivery pump 5 through the delivery pipelines 9 and 10 . The conveying pipeline 9 is a duckweed conveying pipe on the water surface, and the conveying pipe 10 is a duckweed conveying pipe on the shore. The conveying pipe 9 can be a reinforced plastic pipe, which has the advantages of light weight on the one hand, and is not easy to bend, and can be arranged on the water surface The longer pipeline is easy to move the salvage machine, which can be moved according to the salvage position, avoiding the constant movement of the shore power unit and dehydration device during long-distance salvage, which can greatly increase the salvage length and improve the salvage efficiency. In order to ensure that the delivery pipeline 9 is not easily deformed, a hose with a steel wire can also be used. The delivery pipeline 9 is connected to the water outlet of the pump and the dehydrator, and is evenly connected to the delivery pipeline 9 with a plurality of plastic floats, so that the delivery pipeline 9 is in operation. won't sink. The dehydrated duckweed is discharged from the bottom of the dehydrator and transported to the duckweed storage vehicle, and then transported by the storage vehicle to the duckweed treatment site for treatment. The water produced by the extrusion of duckweed is discharged into the river through the pipeline.

Since the duckweed is suspended at 3-5cm on the water surface, the duckweed mouth 1 can be designed as a funnel shape (such as a 120° funnel shape), which can have a larger contact area with the water surface, and is convenient for sucking more duckweed on the water surface. The height of mouth 1 from the water surface is 10mm-60mm, which can more effectively treat the area with a lot of duckweed. The depth of the funnel can be set to 80mm, which can generate a vortex when sucking duckweed, and gather nearby duckweed to increase the treatment water area. The funnel prevents air from entering the pump body and affecting the working efficiency of the pump body.

In order to avoid the influence of the air column in the center of the vortex on the water absorption capacity of the water pump, as shown in Figure 3, a cross-shaped rib 8 can be added in the mouth 1 of the vortex to destroy the central air column.

In the embodiment of the utility model, as shown in Figure 1, the delivery pump 5 is placed horizontally in the water to reduce the draft, the delivery pump 5 is provided with a floating body frame 3, and the floating body 2 is placed on the floating body frame 3 . The duckweed outlet 1 is connected to the pump port of the delivery pump 5 through a duckweed delivery pipe 6 bent at a right angle, and a height regulator 7 is also provided between the duckweed outlet 1 and the duckweed delivery pipe 6, which can be adjusted according to specific conditions. The distance from Pingkou 1 to the water surface. In this embodiment, the floating body 2 can be made of aluminum alloy stainless steel material, durable, not easy to rust, light material, easy to carry, disassemble, cylindrical floating body can provide greater buoyancy, can choose diameter 350mm, length 175mm , a cylinder-shaped floating body with a volume of 0.02m ³ , which is supported by three ring-shaped floats for underwater equipment, so that the suction port of the pump body can work in an effective area 10mm-60mm away from the water surface. The floats are connected to the equipment through threaded rods and nuts , It can automatically adjust the distance between the equipment and the water surface, which is convenient for adapting to different working conditions.

In one embodiment of the utility model, the dehydrator includes a dehydration bracket 12 and a dehydration filter bucket 11, the dehydration filter bucket 11 is fixed by the dehydration bracket 12, and the bottom of the dehydration filter bucket 11 is a pullable filter plate, and the dehydrated water passes through The filtered water pipe 13 is returned and discharged into the salvage waters. The dehydration filter barrel 11 can be formed by connecting two semi-cylindrical stainless steel plates with screws, which can be easily disassembled and cleaned. The bottom of the dehydration filter bucket 11 is a sieve, and an inclined screen can be arranged inside it, and a side wall of the dehydration filter bucket 11 is also a sieve plate. The bottom of the dehydration filter bucket 11 is made into a drawer valve form, and when the duckweed needs to be discharged, the filter plate is pulled out, and the duckweed can automatically enter the collection bag, and the dehydration support 12 can be folded and stored when not in use.

As shown in Figure 7, in another embodiment of the present utility model, the dehydration filter barrel 11 is a quadrangular prism, and there are small holes on the wall of the prism to facilitate filtering out the moisture in the duckweed. The dehydrator adopts gravity extrusion dehydration. After the duckweed is transported to the dehydrator by the conveying device, the duckweed is deposited in the dehydration bucket, and the upper layer of duckweed squeezes the lower layer of duckweed, and the water in the duckweed passes through the sieve plate on the wall of the bucket and the bottom of the bucket. The water filter pipe 13 is discharged, the bottom of the bucket and the wall of the bucket can be disassembled, which is convenient for cleaning. The bottom of the bucket can be pulled out. When the duckweed in the bucket is collected enough, the bottom of the bucket can be pulled out. Drop into the bag.

In another embodiment of the utility model, as shown in Figures 5 and 6, the delivery pump 5 is a vertical submersible sewage pump with a cutting function, and the draining port 1 is placed on the top of the delivery pump 5, and the delivery pump 5 is placed on the top of the delivery pump. Both sides of the pump body are provided with a float support structure, and the float support structure forms a cylinder through threaded rods and nuts to fix the float on both sides of the pump. Conveyor pump 5 can adopt 50WQ10-10-0.75 type, and choose a 50-caliber vertical submersible pump with a maximum passing particle size of 10mm and a cutting function to better prevent duckweed with a diameter of 3-6mm from clumping together and blockage by large particles pump body. The bottom bracket of the pump is detachable, easy to carry and transport, low power, large processing capacity (300m ² /h), stable operation, small vibration and low noise. 10m lift can meet the long-distance horizontal transportation of 30m pipeline.

In summary, the utility model has the following beneficial effects:

(1) The salvage device has the characteristics of portability, simple structure, easy operation, low price, and easy promotion. It saves manpower, and only 1 or 2 people are needed for salvage work, and it can be used when the water depth is relatively shallow;

(2) The salvage efficiency is high. Compared with the traditional manual salvage, the steps of collecting, conveying and dehydrating the duckweed salvage machine can be carried out continuously. The dehydrated duckweed is transported to the cart by small transportation tools such as trolleys, avoiding manual salvage. When the small boat is fully loaded, it needs to dock to unload and then turn back to salvage again. The duckweed collection port can greatly increase the collection area, and the cross-shaped ribs installed near the water suction port can destroy the air column, preventing air from entering the pump and causing the duckweed to be unable to be transported normally. The salvage device is small in size and can move freely in the river. It can solve the problem that the river channel is too narrow for ships to enter and salvage;

(3) Duckweed in the waters can be used for fishing bait, fertilizing fields, making silage, etc. after being salvaged, the nutrients such as nitrogen and phosphorus can be fully utilized, and the nitrogen and phosphorus in the waters are also removed to avoid eutrophication of the water body, effectively Improve water quality.

It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should belong to the protection scope of the appended claims of the present utility model.

Claims (7)

1. a portable duckweed refloatation device, is characterized in that, comprising:

Delivery pump;

Ji Pingkou, is arranged on the pumping hole of this delivery pump, and this Ji Pingkou is funnel-form;

Buoyancy aid, is fixed on delivery pump or Ji Pingkou by buoyancy aid braced structures;

Dehydrator, is connected with the port of export of delivery pump by conveyance conduit.

2. device according to claim 1, is characterized in that, described delivery pump is laterally placed in water, and delivery pump is provided with buoyancy aid framework, and described buoyancy aid is placed in this buoyancy aid framework.

3. device according to claim 2, is characterized in that, Ji Pingkou is connected with the pumping hole of delivery pump by the duckweed carrier pipe that at right angles bends, and is also provided with height adjuster between Ji Pingkou and duckweed carrier pipe.

4. device according to claim 1, it is characterized in that, described delivery pump is the vertical submersible sewage pump carrying cutting function, Ji Pingkou is placed in this delivery pump top, be equipped with float braced structures in delivery pump pump housing both sides, float braced structures forms by threaded rod, nut the both sides that float to be fixed on pump by a cylinder.

5. device according to claim 1, is characterized in that, described dehydrator comprises dehydration support and dehydration lauter tub, dehydration support is collapsible, dehydration lauter tub is fixed by this dehydration support, and the bottom of dehydration lauter tub is can the filter plate of pull, and the bucket wall near bottom is provided with duckweed filtrate delivery pipe.

6. device according to claim 5, is characterized in that, described dehydration lauter tub is the four prisms cylinder that hole wall has drainage aperture.

7. device according to claim 1, is characterized in that, is provided with cross rib in collection duckweed mouth.