CN111470638B

CN111470638B - Treatment ship for adding medicine and stirring sludge at bottom of pond

Info

Publication number: CN111470638B
Application number: CN202010284356.8A
Authority: CN
Inventors: 程果锋; 刘兴国; 沈泓烨; 陆诗敏; 朱浩; 李小琴; 顾兆俊
Original assignee: Fishery Machinery and Instrument Research Institute of CAFS
Current assignee: Fishery Machinery and Instrument Research Institute of CAFS
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2022-03-01
Anticipated expiration: 2040-04-13
Also published as: CN111470638A

Abstract

The invention provides a treatment ship for adding and stirring sludge at the bottom of a pond, wherein a metering pump, a quantitative adding device and a uniformly mixing and storing device are arranged on a ship body, and a bottom medicine stirring device is dragged at the bottom of the ship body through a hollow pull rod; the quantitative dosing device is arranged at the top of the blending and medicine storing device and used for adding medicines into the blending and medicine storing device, the metering pump is used for pumping water and conveying the water into the blending and medicine storing device, a stirring device is arranged in the blending and medicine storing device, and an opening is formed in the bottom of the blending and medicine storing device and connected with the hollow pull rod; a row of hollow cylindrical rollers are arranged on a hollow cross shaft of the bottom medicine stirring device, medicine discharging devices are arranged on the hollow cross shafts on two sides of the cylindrical rollers, and disturbance plates are arranged on the outer diameter surfaces of the cylindrical rollers. According to the invention, the microbial preparation for improving the bottom material can be directly conveyed to the bottom of the pond and is fully mixed with the bottom mud through the bottom stirring device, so that the microbial preparation can quickly and effectively improve the bottom material of the pond.

Description

Treatment ship for adding medicine and stirring sludge at bottom of pond

Technical Field

The invention belongs to the technical field of aquaculture pond water environment, and particularly relates to a treatment ship for adding and stirring sludge at the bottom of a pond.

Background

The pond in many areas of China has the phenomena of pond collapse, thick and heavy bottom sludge and the like due to the fact that the pond is cultivated for many years, a large amount of bottom sludge is accumulated at the bottom of the pond, organic matters, nitrogen, phosphorus and other nutrient salts in the pond are continuously released to a water body, water quality deterioration is caused, particularly, algae aging speed is high, blue algae outbreak is serious, cultivated biological diseases are prone to being frequent, even a large amount of death is caused, and serious harm is brought to cultivation benefits. The traditional pond substrate improvement methods, such as traditional methods of changing water, increasing oxygen, discharging mud, exchanging upper and lower water layers and the like, have the defects of poor substrate improvement effect, long time, low efficiency, limited space and the like, and can not quickly improve the substrate. Currently used substrate improvement microbial agents, medicaments and the like are generally sprayed on the water surface of a pond, and in the process of reaching the bottom of the pond, effective components in the microbial agents and the medicaments are consumed by water, so that the improvement efficiency of the bottom of the pond is greatly reduced; meanwhile, even if a small amount of microbial agent reaches the bottom of the pond, the microbial agent only can act on the sludge on the surface layer of the bottom of the pond and cannot deeply enter the sludge layer of the bottom of the pond to be deeply mixed, so that the improvement effect of the biological agent and the agent is seriously limited.

Disclosure of Invention

The invention provides a pond bottom high-efficiency treatment ship, which can directly convey a bottom-improved microbial preparation and a medicament to the bottom of a pond and fully mix the bottom-improved microbial preparation and the medicament with bottom mud through a bottom stirring device, so that the microbial preparation and the medicament can quickly and effectively improve the bottom of the pond, the pond bottom environment can be accurately, efficiently and quickly improved, and the normal growth of cultured organisms is ensured. In order to realize the scheme, the technical scheme adopted by the invention is as follows:

a processing ship for adding and stirring sludge at the bottom of a pond is characterized in that a remote control receiving controller, a metering pump, a quantitative dosing device and a uniform mixing and medicine storing device are mounted on a ship body of the processing ship, a bottom medicine stirring device with the integral density of 1.05-1.2 is dragged at the bottom of the ship body through a hollow pull rod, and one end of the hollow pull rod is rotatably mounted at the bottom of the ship body;

the quantitative medicine adding device is arranged at the top of the blending medicine storage device and used for adding medicines into the blending medicine storage device, the metering pump is used for pumping water and conveying the pumped water into the blending medicine storage device, a stirring device and a medicine conveying pump are arranged in the blending medicine storage device, and a flexible medicine conveying hose is arranged in the hollow pull rod and connected with a medicine outlet of the medicine conveying pump;

the bottom medicine stirring device is provided with a U-shaped hollow connecting rod, the opening of the U-shaped hollow connecting rod faces downwards, a hollow cross shaft is connected between the opening ends of the U-shaped hollow connecting rod, the inner cavity of the hollow connecting rod is connected with the flexible medicine conveying hose and the inner cavity of the hollow cross shaft,

a row of hollow cylindrical rolling shafts are horizontally arranged on the hollow cross shaft, the cylindrical rolling shafts are provided with interlayers and filled with weight increasing materials, driving motors are arranged on the hollow cross shaft in the cylindrical rolling shafts, external gears on output shafts of the driving motors are meshed with internal gears fixed on the inner walls of the cylindrical rolling shafts, and a plurality of axially distributed sawtooth-shaped disturbing plates are arranged on the outer diameter surfaces of the cylindrical rolling shafts;

the medicine discharging device is characterized in that medicine discharging devices are arranged on the hollow cross shafts on two sides of the cylindrical rolling shaft, medicine discharging holes communicated with the inner cavity of the hollow cross shaft are densely distributed in the medicine discharging devices, at least one medicine discharging hole is provided with a drooping medicine conveying hose, a certain distance is reserved between a medicine outlet at the bottom of the medicine conveying hose and the bottom of the medicine conveying hose, and a heavy object is hung at the bottom of the medicine conveying hose.

Further, quantitative charge device includes feed bin, screw rod and adds medicine motor and screw rod, and the feed bin is the great funnel of open-top, and the screw rod transversely sets up at feed bin bottom opening and by locating the screw rod of the outer one side of feed bin and add medicine motor drive.

Further, the mixing stores up medicine device is including storing up cartridge case, agitator motor, puddler and stirring leaf, stores up the cartridge case and passes through the fix with screw on the hull bottom plate and this stores up cartridge case bottom and is provided with send the medicine pump, the puddler vertically sets up in storing up the cartridge case and by locating the agitator motor drive at storing up cartridge case top, and the bottom at the puddler is fixed to the stirring leaf.

Furthermore, a medicine outlet of the medicine feeding pump is provided with a filter screen.

Furthermore, the hollow pull rod is rotatably connected to the bottom surface of the ship body through a hinge seat.

Further, the cylindrical roller is rotatably mounted on the hollow cross shaft through a bearing.

Furthermore, the diameter of the cylindrical roller is 20-40cm, and the height of the disturbance plate is 3-4 cm.

Furthermore, the medicine outlet device is a hollow pipe welded on the upper side and the lower side of the hollow cross shaft, a plurality of medicine outlet holes are formed in the surface of the hollow pipe, the medicine conveying hose is connected to one of the medicine outlet holes in the lower portion of the hollow cross shaft, and the distance between the medicine outlet at the bottom of the medicine conveying hose and the bottom end of the cylindrical roller is 5-10 cm.

Furthermore, the bottom of the ship body is provided with a power and steering device which is connected with a remote control receiving controller.

Furthermore, a power supply lead of the ship body is connected with the driving motor through the hollow pull rod inner cavity, the hollow connecting rod inner cavity and the hollow cross shaft inner cavity.

The high-efficiency pond sediment treatment ship provided by the invention can move in a pond, directly conveys a sediment-improving microbial preparation and a medicament to the bottom of the pond, and fully mixes the sediment-improving microbial preparation and the medicament with bottom mud through a sediment stirring device, so that the microbial preparation medicament can quickly and effectively improve the pond sediment, accurately, efficiently and quickly improve the environment of the pond sediment, and ensure the normal growth of cultured organisms.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a structural diagram of a treatment ship for adding chemicals and stirring sludge at the bottom of a pond, which is provided by the invention;

FIG. 2 is an assembly view of the quantitative drug adding device and the mixing and storing device;

FIG. 3 is a schematic view of a device for agitating the bottom of a ship body for adding medicines;

FIG. 4 is a schematic view of a cylindrical roller and drug dispensers on both sides of the cylindrical roller;

fig. 5 is a cross-sectional view of a cylindrical roller;

fig. 6 shows a schematic illustration of a drive motor driving a cylindrical roller to rotate.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

In the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.

The invention provides a treatment ship for adding and stirring sludge at the bottom of a pond, as shown in figures 1-6, a remote control receiving controller 2, a metering pump 3, a quantitative medicine adding device 4 and a uniform mixing and medicine storing device 5 are mounted on a ship body 1 of the treatment ship, a bottom medicine stirring device 10 with the integral density of 1.05-1.2 is dragged at the bottom of the ship body 1 through a hollow pull rod 9, and one end of the hollow pull rod 9 is rotatably mounted at the bottom of the ship body 1;

the quantitative medicine adding device 4 is arranged at the top of the blending medicine storage device 5 and used for adding medicines into the blending medicine storage device 5, the metering pump 3 is used for pumping water and conveying the water into the medicine storage device 5, a stirring device and a medicine conveying pump 7 are arranged in the blending medicine storage device 5, and a flexible medicine conveying hose 8 connected with a medicine outlet of the medicine conveying pump 7 is arranged in the hollow pull rod 9;

the bottom medicine stirring device 10 is provided with a U-shaped hollow connecting rod 11, the opening of the U-shaped hollow connecting rod faces downwards, a hollow cross shaft 12 is connected between the opening ends of the U-shaped hollow connecting rod 11, the inner cavity of the hollow connecting rod 11 is connected with the flexible medicine conveying hose 8 and the inner cavity of the hollow cross shaft 12,

a row of hollow cylindrical rollers 13 are horizontally arranged on the hollow cross shaft 12, the cylindrical rollers 13 are provided with interlayers 24 and filled with weight increasing materials (as shown in figure 5), a driving motor is arranged on the hollow cross shaft 12 inside each cylindrical roller 13, an external gear on an output shaft of the driving motor is meshed with an internal gear fixed on the inner wall of the cylindrical roller 13, and a plurality of axially distributed strip-shaped sawtooth-shaped disturbance plates 17 are arranged on the outer diameter surface of each cylindrical roller 13;

a medicine outlet 14 is arranged on the hollow cross shaft 12 at two sides of the cylindrical roller 13, medicine outlet holes communicated with the inner cavity of the hollow cross shaft 12 are densely distributed on the medicine outlet 14, at least one medicine outlet hole is provided with a drooping medicine conveying hose 15, a certain distance is reserved between a medicine outlet at the bottom of the medicine conveying hose 15 and the bottom of the medicine conveying hose 15, and a heavy object 16 (such as a stone block) is hung at the bottom of the medicine conveying hose 15.

In an alternative embodiment, the dosing device 4 comprises a bin 401, a screw feeding motor 402 and a screw 403, wherein the top of the bin 401 is a funnel with a large opening, and the screw 403 is transversely arranged at the bottom of the bin 401 and driven by the screw feeding motor 402 arranged at one side outside the bin 401.

In an optional embodiment, the blending and medicine storing device 5 comprises a medicine storing cylinder 504, a stirring motor 501, a stirring rod 502 and a stirring blade 503, the medicine storing cylinder 504 is fixed on the bottom plate of the ship body 1 through screws, the medicine feeding pump 7 is arranged at the bottom of the medicine storing cylinder 504, the stirring rod 502 is longitudinally arranged in the medicine storing cylinder 504 and driven by the stirring motor 501 arranged at the top of the medicine storing cylinder 504, and the stirring blade 503 is fixed at the bottom of the stirring rod 502.

In an optional embodiment, a filter screen is installed at the medicine outlet of the medicine feeding pump 7, so that large-particle medicine residues can be filtered out, and blockage is avoided.

In an alternative embodiment, the hollow pull rod 9 is rotatably connected to the bottom surface of the ship body 1 through the hinge seat 18, and the integral density of the bottom-stirring explosive device 10 is 1.05-1.2, so that the hollow pull rod 9 can always keep suspended on the upper surface of the sludge, and the included angle between the hollow pull rod 9 and the ship bottom can be changed under the action of the hinge seat when the ship sails, so that the ship body drags the bottom-stirring explosive device 10 to move forwards. Preferably, the hollow tie rod 9 is a galvanized steel pipe having excellent corrosion resistance. Optionally, the other end of the hollow pull rod 9 forms a certain included angle with the hollow connecting rod 11, or the other end of the hollow pull rod 9 is rotatably connected with the hollow connecting rod 11.

In an alternative embodiment, the cylindrical roller 13 is 20-40cm in diameter and the perturbation plate 17 is 3-4cm in height. The density of the bottom-stirring medicine feeding device 10 is slightly larger than that of a water body, the bottom-stirring medicine feeding device only sinks on the surface of bottom sludge, large pressure is not caused on the bottom sludge, meanwhile, the operation energy consumption can be obviously reduced by rotating at the bottom of the pond, and when the bottom-stirring medicine feeding device 10 rotates at the bottom of the pond, the floating of an active sludge layer on the bottom surface of the pond is disturbed to be effectively mixed with a microbial preparation, so that the quality of the bottom sediment of the pond is quickly, accurately and effectively improved.

In an alternative embodiment, the medicine outlet 14 is a hollow tube welded on the upper and lower sides of the hollow transverse shaft 12, a plurality of medicine outlet holes are arranged on the surface of the hollow tube, the medicine delivery hose 15 is connected to one of the medicine outlet holes positioned on the lower portion of the hollow transverse shaft 12, and the medicine outlet at the bottom of the medicine delivery hose 15 is 5-10cm away from the bottom end of the cylindrical roller 13.

In order to better drive the cylindrical roller 13 to rotate, the invention is provided with a driving motor which is arranged in the cylindrical roller 13 and additionally provides power to drive the cylindrical roller 13 to rotate. Because the integral density of the bottom medicine stirring device is 1.05-1.2, and the hollow design has certain buoyancy, the cylindrical roller 13 can be driven to rotate at the bottom by only needing small torque, so that the cylindrical roller 13 can be prevented from being trapped in sludge, the sludge can be better stirred, and the power for advancing the bottom medicine stirring device 10 is provided to a certain extent. Fig. 6 shows a schematic illustration of a driving motor driving the cylindrical roller 13 to rotate: the driving motor 19 is mounted on the hollow horizontal shaft 12 through a bracket (not shown), the driving gear 20 on the output shaft thereof drives the driven gear 21 to rotate (the driven gear 21 is fixed through the bracket 23, the bracket 23 is fixed on the hollow horizontal shaft 12), and the driven gear 21 is engaged with the internal gear 22 on the inner wall of the cylindrical roller 13 to drive the cylindrical roller 13 to rotate. The interior of the cylindrical roller 13 is preferably sealed from the outside, or a waterproof motor may be used to ensure the operation of the system.

For better turning over the sludge, the invention uses the serrated disturbing plate 17, but the practical application is not limited to this, for example, the disturbing plate 17 may be in the shape of a spike, a rake, a comb, etc.

The bottom of the ship body 1 is provided with a power and steering device which is connected with a remote control receiving controller 2. The remote control receiving controller 2 is installed at the tail part of the ship body 1, the power device 9 is controlled through the remote control receiving controller 2, the steering electric motor 8 is driven to operate, and the water inflow of the metering pump 3 is matched with the medicine feeding amount of the quantitative medicine feeding device 4. An operator can remotely control the speed and the course of the ship body 1 and the water inflow of the water pump metering pump 3.

The working process of the invention is as follows: when the microbial substrate modifier or the medicament is put into the hull quantitative dosing device, an operator can control the hull 1 to move by controlling the hull remote control receiving controller on the shore, and the quantitative dosing device 4 drives the screw 403 to rotate under the control of the screw dosing motor 402, so that the medicament in the stock bin 401 is added into the mixing and medicament storage device 5 at the bottom in a timed and quantitative manner. At this time, the metering pump 3 pumps water into the drug storage cylinder 504 in equal proportion according to the amount of the drug added by the quantitative dosing device 4 at regular time and quantity, and the stirring rod 502 and the stirring rotor 503 stir the microbial drug, the reagent and the water uniformly to form the substrate improvement drug under the driving of the stirring motor 501. The uniformly stirred medicament is conveyed to a bottom medicament stirring device 10 through a medicament conveying pump 7, and finally the medicament is conveyed to the bottom of the pond through a medicament outlet device 14 on a hollow transverse shaft 12.

The patent adopts the technical means for solving the defects or shortcomings in the prior art:

(1) aiming at the problems that most of preparation agents are absorbed and decomposed by substances in water to cause great reduction of efficiency and the deposited agents cannot be fully mixed with the substrate because the existing manual or mechanical method can only spray the substrate-improved microbial agents and the agents to the water surface, the substrate-improved microbial agents and the agents are directly conveyed to the bottom of the pond, and the agents and the substrate sludge are fully mixed by turning over the sludge through the cylindrical rolling shaft, so that the microbial agents and the agents can quickly and effectively improve the substrate of the pond, the environment of the substrate of the pond can be accurately and efficiently quickly improved, the normal growth of cultured organisms is ensured, and the improvement and use effect can be improved by over 80%.

(2) Aiming at the characteristic that the pond bottom of the pond is uneven, the developed device for stirring the bottom of the pond can be driven by the ship body to freely adjust the depth according to the shape and the height of the pond bottom, and can adapt to the conventional water depth of the pond of 1-3 m.

(3) The invention aims at different softness degrees of bottom sludge of the pond and only aims at the surface layer of the pond bottom which has the largest influence on water quality, the developed cylinder dragging bottom-changing device is controlled to have the diameter of 20-40cm, adopts a hollow structure and is filled with weight-increasing materials (note that in the practical situation, a person skilled in the art can easily obtain the weight-increasing materials according to the volume and the material of the cylindrical roller, details are not repeated), the overall density is controlled to be 1.05-1.2, the density is slightly greater than that of a water body which is only slightly sunk at the bottom of the pond and rotates along the surface layer of the bottom sludge to drive the disturbance plate on the bottom sludge to disturb the bottom sludge and fully mix with medicaments, the operation energy consumption and the ship dragging pressure can be obviously reduced, the energy consumption is greatly reduced, and the bottom material improving effect is improved.

(4) Be provided with out the medicine ware on the cylinder roller bearing, and go out and dispose flagging medicine feed hose on the medicine ware, can be accurate directly carry the pond bottom with the medicine, thereby hang the heavy object in medicine feed hose bottom simultaneously and can guarantee that it is flagging all the time and make the area of adding medicine just in time correspond in the roller bearing stirring region, thereby avoided because rivers and stir the unsatisfactory problem in the position of adding medicine that the device of adding medicine makes the medicine feed hose crooked lead to the fact on the bottom of the stirring.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. The treatment ship for adding and stirring the sludge at the bottom of the pond is characterized in that a remote control receiving controller (2), a metering pump (3), a quantitative medicine adding device (4) and a uniform mixing and medicine storing device (5) are mounted on a ship body (1) of the treatment ship, a bottom medicine stirring device (10) with the integral density of 1.05-1.2 is dragged at the bottom of the ship body (1) through a hollow pull rod (9), and one end of the hollow pull rod (9) is rotatably mounted at the bottom of the ship body (1);

the quantitative dosing device (4) is arranged at the top of the blending and medicine storing device (5) and used for adding medicines into the blending and medicine storing device (5), the metering pump (3) is used for pumping water and conveying the water into the blending and medicine storing device (5), a stirring device and a medicine conveying pump (7) are arranged in the blending and medicine storing device (5), and a flexible medicine conveying hose (8) is arranged in the hollow pull rod (9) and connected with a medicine outlet of the medicine conveying pump (7);

the bottom medicine stirring device (10) is provided with a U-shaped hollow connecting rod (11), the opening of the U-shaped hollow connecting rod faces downwards, a hollow transverse shaft (12) is connected between the opening ends of the U-shaped hollow connecting rod (11), the inner cavity of the hollow connecting rod (11) is connected with the flexible medicine conveying hose (8) and the inner cavity of the hollow transverse shaft (12),

a row of hollow cylindrical rollers (13) are horizontally arranged on a hollow transverse shaft (12), the cylindrical rollers (13) are provided with interlayers and filled with weight increasing materials, a driving motor is arranged on the hollow transverse shaft (12) in each cylindrical roller (13), an external gear on an output shaft of the driving motor is meshed with an internal gear fixed on the inner wall of the cylindrical roller (13), a plurality of axially distributed sawtooth-shaped disturbance plates (17) are arranged on the outer diameter surface of the cylindrical roller (13), the diameter of the cylindrical roller (13) is 20-40cm, and the height of the disturbance plates (17) is 3-4 cm;

be provided with out medicine ware (14) on hollow cross axle (12) of cylinder roller bearing (13) both sides, go out medicine ware (14) and go up to gather and have with the communicating medicine hole of hollow cross axle (12) inner chamber, at least one medicine hole disposes flagging send medicine hose (15), send the medicine mouth of medicine hose (15) bottom and the bottom of cylinder roller bearing (13) to leave the distance and send the bottom of medicine hose (15) to hang heavy object (16), go out medicine ware (14) and be the hollow tube of welding both sides about hollow cross axle (12), be provided with a plurality of medicine holes on the surface of hollow tube, send medicine hose (15) to connect on one of them medicine hole that is located hollow cross axle (12) lower part and should send the medicine mouth of medicine hose (15) bottom to be 5-10cm apart from the bottom of cylinder roller bearing (13).

2. The treatment ship for pond bottom sludge dosing and stirring as defined in claim 1, wherein the quantitative dosing device (4) comprises a storage bin (401), a screw dosing motor (402) and a screw (403), the storage bin (401) is a funnel with a large top opening, and the screw (403) is transversely arranged at the bottom opening of the storage bin (401) and driven by the screw dosing motor (402) arranged at one side outside the storage bin (401).

3. The treatment ship for adding medicine and stirring sludge at the bottom of a pond as claimed in claim 1, wherein the mixing and medicine storing device (5) comprises a medicine storing cylinder (504), a stirring motor (501), a stirring rod (502) and a stirring blade (503), the medicine storing cylinder (504) is fixed on the bottom plate of the ship body (1) through screws, the medicine feeding pump (7) is arranged at the bottom of the medicine storing cylinder (504), the stirring rod (502) is longitudinally arranged in the medicine storing cylinder (504) and driven by the stirring motor (501) arranged at the top of the medicine storing cylinder (504), and the stirring blade (503) is fixed at the bottom of the stirring rod (502).

4. The treatment ship for adding medicine and stirring sludge at the bottom of the pond as claimed in claim 3, wherein a medicine outlet of the medicine feeding pump (7) is provided with a filter screen.

5. The treatment vessel for dosing and stirring sludge at the bottom of a pond according to claim 3, characterized in that the hollow draw bar (9) is rotatably connected to the bottom surface of the hull (1) through a hinged seat (18).

6. The vessel for the dosing and mixing of sludge from the bottom of ponds according to claim 1, characterized in that the cylindrical rollers (13) are mounted rotatably on the hollow transverse shaft (12) by means of bearings.

7. The treatment ship for adding chemicals and stirring sludge at the bottom of the pond as claimed in claim 1, wherein the bottom of the ship body (1) is provided with a power and steering device which is connected with the remote control receiving controller (2).

8. The treatment ship for adding medicine and stirring sludge at the bottom of the pond as claimed in claim 1, wherein the power supply lead of the ship body (1) is connected with the driving motor through the inner cavity of the hollow pull rod (9), the inner cavity of the hollow connecting rod (11) and the inner cavity of the hollow transverse shaft (12).