CN209756172U - Water surface cleaning ship with dewatering function - Google Patents

Abstract

The utility model provides a surface of water ship of keeping a public place clean with dehydration function, which comprises a ship body, install the squeezer on the hull, the squeezer includes the press housing, two spirals of installing in the press housing, the power device who is connected with the spiral, and install the screen cloth in the press housing, be equipped with the feed inlet on the press housing, the delivery port, and the slag notch, the screen cloth is located the periphery of spiral, the spiral includes screw axis and a plurality of helical blade of installing on the screw axis, and have the extrusion clearance on every spiral between two adjacent helical blade, the helical blade of a spiral stretches into to the extrusion clearance between two adjacent helical blade of another spiral. Put into the press casing with aquatic plant by the feed inlet, power device drives the spiral and rotates, and the spiral drives aquatic plant and removes to the slag notch direction, and removes the in-process and produces the squeezing action to aquatic plant for moisture in the aquatic plant is broken away from out, and flows out by the delivery port.

Description

Water surface cleaning ship with dewatering function

Technical Field

The utility model relates to a ship, in particular to a water surface cleaning ship with a dehydration function.

Background

On the water surface of some river channels, aquatic plants such as water hyacinth are usually found. Especially, in autumn every year, seasonal aquatic plants such as water hyacinths can enter an outbreak period, and large-area aquatic plants such as water hyacinths can appear on the water surface, so that a channel can be blocked, water transportation is influenced, water flow is also blocked, and flood discharge during flooding is influenced. And a large amount of aquatic plants can pollute the water body after rotting, influence the output and the quality of aquatic products, and then destroy the ecological balance of water. Therefore, it is necessary to salvage aquatic plants such as water hyacinth by using a clean-keeping boat and the like and transport the aquatic plants to a set place. The existing aquatic plant collecting mode has the following defects: the operation ship has simple functions, only has the simple function of salvaging aquatic plants on the water surface, and can not store a large amount of water hyacinth, so that a large-tonnage transport ship is required to be configured to assist in storing and transporting the aquatic plants; because aquatic plants such as water hyacinth's water content is high, bulky, and the operation ship can't carry out dehydration to the aquatic plant of salvaging for current transport ship has actually transported a large amount of water when transporting water hyacinth, causes the ship loading rate of transport ship to be low, and causes effectual transport rate low, and then leads to cleaing away aquatic plant's cost higher, and the ability and the efficiency that aquatic plant was clear away to current operation ship and transport ship are lower.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, the to-be-solved technical problem of the present invention is to provide a water surface cleaning boat with dewatering function, which can dewater aquatic plants.

In order to achieve the above object, the utility model provides a surface of water ship of keeping a public place clean with dehydration function, which comprises a ship body, install the squeezer on the hull, the squeezer includes the squeezer casing, two spiral, the power device who is connected with the spiral that install in the squeezer casing and install the screen cloth in the squeezer casing, be equipped with feed inlet, delivery port and slag notch on the squeezer casing, the screen cloth is located the periphery of spiral, the spiral includes screw axis and a plurality of helical blade who installs on the screw axis, and has the extrusion clearance on every spiral between two adjacent helical blade, and the helical blade of a spiral stretches into to the extrusion clearance between two adjacent helical blade of another spiral.

Further, the screen is cylindrical, and the screen surrounds the peripheries of the two spirals.

Furthermore, a plurality of resistance teeth are arranged on the screen mesh, and all the resistance teeth are distributed at intervals along the axial direction of the spiral.

Further, the spiral includes along the pay-off spiral section, the precompression section that distribute in proper order to the slag notch direction by the feed inlet, and build the pressure section certainly, the spiral axle is including being located the pay-off section minute axle on the pay-off spiral section, being located the precompression section minute axle on the precompression section, and being located the section minute axle of building the pressure certainly on the section of building the pressure, pay-off section minute axle and precompression section are epaxial all to be installed a plurality ofly helical blade.

Further, the pitch of the pre-compression section is gradually reduced from the feeding hole to the slag outlet.

Further, a back pressure ring is installed on the self-pressure-building section split shaft.

Further, one end of the screw corresponding to the feed inlet is lower than one end of the screw corresponding to the slag outlet.

Furthermore, a salvaging conveying device and a feeding conveying device are further installed on the ship body, the discharging end of the salvaging conveying device is located above the feeding end of the feeding conveying device, and the discharging end of the feeding conveying device is located above the feeding hole of the squeezer.

Further, the feeding and conveying device is a belt scale.

Further, still install ejection of compact conveyor on the hull, ejection of compact conveyor's feed end is located the below of the slag notch of squeezer.

As mentioned above, the utility model relates to a surface of water clean-keeping ship with dehydration function has following beneficial effect:

The utility model discloses in have the surface of water of dehydration function ship of keeping a public place clean's theory of operation does: putting aquatic plants into a squeezer shell from a feed inlet, driving a spiral to rotate by a power device, driving the aquatic plants to move towards a slag outlet by the spiral, and extruding the aquatic plants in the moving process to separate water in the aquatic plants, wherein the separated water flows out from a water outlet through a screen, and the dehydrated aquatic plants are discharged from the slag outlet; meanwhile, two spirals are arranged in the press shell, and the spiral blade of one spiral extends into the extrusion gap between two adjacent spiral blades of the other spiral, so that the two spirals can generate stronger extrusion effect on aquatic plants in the rotating process, and the aquatic plants can be more sufficiently dewatered, thereby ensuring that the squeezer and the water surface cleaning boat have stronger dewatering capability on the aquatic plants.

Drawings

Fig. 1 is a schematic structural view of a water surface cleaning boat with a dewatering function of the present invention.

Fig. 2 is a top view of the water surface cleaning boat with dewatering function of the present invention.

Fig. 3 is a right side view of the water surface cleaning boat with dewatering function of the utility model.

Fig. 4 is a schematic structural diagram of the dewatering system of the present invention.

Fig. 5 is a top view of the dewatering system of the present invention.

Fig. 6 is a schematic structural view of the middle press of the present invention.

Fig. 7 is a schematic diagram of the relative position relationship between two spirals in the present invention.

Fig. 8 is a schematic view of the installation structure of two screws in the press casing according to the present invention.

Fig. 9 is a left side view of the middle press of the present invention.

Fig. 10 is a schematic structural view of the middle press casing of the present invention.

Fig. 11 is a top view of the middle press of the present invention.

Fig. 12 is a schematic view of the connection structure between the middle power device and the screw according to the present invention.

Fig. 13 is a schematic diagram of the relative position relationship between the screen and the two spirals in the present invention.

Fig. 14 is a schematic structural diagram of a middle power device according to the present invention.

Description of the element reference numerals

1 Presser 125 Pre-compression stage

11 press shell 126 self-pressure building section

111 feed inlet 127 backpressure ring

112 outlet 128 compression cavity

113 slag hole 13 power device

114 outlet water collecting bucket 14 screen mesh

12 spiral 15 resistance teeth

121 screw shaft 16 press frame

1211 feeding section split shaft 2 feeding conveying device

1212 precompression section split shaft 3 discharging conveyer

1213 self-pressure-building section split-shaft 4 cleaning platform

122 spiral blade 5 fishing and conveying device

123 extrusion gap 6 material leakage conveying device

124 feeding spiral section 100 ship body

Detailed Description

the following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are only for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the modifications can be changed or adjusted without substantial technical changes and modifications.

As shown in fig. 1 to 14, the utility model provides a surface of water cleaning boat with dewatering function, including hull 100, install squeezer 1 on the hull 100, squeezer 1 includes squeezer casing 11, two spiral 12 of installing in squeezer casing 11, power device 13 that is connected with spiral 12, and install screen cloth 14 in squeezer casing 11, be equipped with feed inlet 111, delivery port 112, and slag notch 113 on squeezer casing 11, screen cloth 14 is located the periphery of spiral 12, spiral 12 includes screw axis 121 and a plurality of helical blade 122 of installing on screw axis 121, and has extrusion clearance 123 between two adjacent helical blade 122 on every spiral 12, the helical blade 122 of one spiral 12 stretches into in the extrusion clearance 123 between two adjacent helical blade 122 of another spiral 12. The utility model discloses in have the surface of water of dehydration function ship of keeping a public place clean's theory of operation does: putting aquatic plants into the press shell 11 through the feeding hole 111, driving the screw 12 to rotate by the power device 13, driving the aquatic plants to move towards the slag hole 113 by the screw 12, and extruding the aquatic plants in the moving process, so that the water in the aquatic plants is separated, the separated water flows out from the water outlet 112 through the screen 14, and the aquatic plants are discharged from the slag hole 113 after being dehydrated; meanwhile, because two spirals 12 are installed in the press shell 11, and the spiral blade 122 of one spiral 12 extends into the extrusion gap 123 between two adjacent spiral blades 122 of another spiral 12, so that the two spirals 12 can generate stronger extrusion effect on aquatic plants in the rotating process, and the aquatic plants can be more sufficiently dehydrated, thereby ensuring that the squeezer 1 and the surface cleaning boat have stronger dehydration capability on the aquatic plants.

As shown in fig. 13, the screen 14 in this embodiment has a cylindrical shape, and the screen 14 surrounds the two spirals 12. A helical channel is formed between the spiral 12 and the screen 14. During the rotation of the screw 12, the screw 12 drives the aquatic plants to move along the spiral channel, and the aquatic plants are pressed by the helical blades 122 of the screw 12 and the screen 14, so that water in the aquatic plants is squeezed out and flows to the water outlet 112 through the mesh holes on the screen 14, and is discharged from the water outlet 112. Meanwhile, as shown in fig. 6, a plurality of resistance teeth 15 are installed on the screen 14 in this embodiment, and all the resistance teeth 15 are spaced apart in the axial direction of the spiral 12. In the process of pressing the aquatic plants by the spiral 12 and the screen 14, the screen 14 will be subjected to a reaction force of outward expansion, so that the screen 14 will expand outward and deform, and the resistance teeth 15 will apply a force to the screen 14 to prevent the screen 14 from deforming, thereby avoiding the screen 14 from deforming greatly and even being damaged, and ensuring that the screen 14 can continuously apply a pressing force to the aquatic plants in cooperation with the spiral 12. In this embodiment, the resistance teeth 15 are ring-shaped and are sleeved outside the screen 14.

As shown in fig. 8, in the present embodiment, the screw 12 includes a feeding screw section 124, a pre-compression section 125, and a self-pressure-building section 126 sequentially distributed along a direction from the feeding hole 111 to the slag outlet 113, the screw shaft 121 includes a feeding section sub-shaft 1211 located on the feeding screw section 124, a pre-compression section sub-shaft 1212 located on the pre-compression section 125, and a self-pressure-building section sub-shaft 1213 located on the self-pressure-building section 126, and a plurality of the screw blades 122 are installed on both the feeding section sub-shaft 1211 and the pre-compression section sub-shaft 1212. The spiral 12 in this embodiment is formed of three sections, namely a feed spiral section 124, a pre-compression section 125, and a self-pressure building section 126. Meanwhile, the feeding section sub-shaft 1211 and the pre-compression section 125 are provided with the above-described spiral vane 122. The pitch of the feed screw section 124 is kept constant in this embodiment. As shown in fig. 8, in this embodiment, the pitch of the pre-compression section 125 is gradually decreased from the feeding hole 111 to the slag hole 113, that is, the screw 12 adopts a variable pitch structure design in the pre-compression section 125, and the pitch of the pre-compression section 125 is gradually decreased along the moving direction of the aquatic plants, so that the size of the space of the spiral channel on the section is gradually decreased, and further, the aquatic plants can receive increasingly large pressing force during moving along the channel, and it is ensured that the water in the aquatic plants can be sufficiently pressed out, thereby achieving sufficient dehydration on the aquatic plants. The self-pressurizing section 126 is not provided with the helical blade 122. As shown in fig. 8, in this embodiment, a back pressure ring 127 is mounted on the self-pressure-building segment split shaft 1213, and a compression cavity 128 is formed between the back pressure ring 127 and the spiral blade 122 of the pre-compression segment 125. The aquatic plants are further compressed as they move into the compression cavity 128 and are discharged through the slag outlet 113. The self-pressure-building section 126 in this embodiment has a self-pressure-building dehydration processing function. In this embodiment, the distance between two adjacent resistance teeth 15 is equal to the pitch of the corresponding pre-compression section 125. The pitch of the pre-compression section 125 gradually decreases from the inlet 111 to the slag outlet 113, and the distance between two adjacent resistance teeth 15 also gradually decreases from the inlet 111 to the slag outlet 113. The resistance teeth 15 achieve the space of the spiral channel at the pre-compression section 125 to be gradually reduced through the change of the spacing, and complete the extrusion of the aquatic plants. The screen 14 and the helical blades 122 of the pre-compression section 125 form a helical channel with a gradually decreasing space therebetween.

As shown in fig. 1 and 4, in this embodiment, the end of the screw 12 corresponding to the inlet 111 is lower than the end of the screw 12 corresponding to the outlet 113. The spiral 12 in this embodiment is inclined in an obliquely upward direction. After entering the squeezer 1 through the inlet 111, the aquatic plants move upward toward the outlet 113 under the squeezing and pushing action of the screw 12, and in the process, the water coming out of the aquatic plants flows downward under the action of gravity, so that the aquatic plants can be sufficiently separated.

As shown in fig. 1 and 4, in the embodiment, the fishing conveyor 5 and the feeding conveyor 2 are further installed on the ship body 100, the discharging end of the fishing conveyor 5 is located above the feeding end of the feeding conveyor 2, and the discharging end of the feeding conveyor 2 is located above the feeding hole 111 of the presser 1. In the process of removing aquatic plants on the water surface by using the water surface cleaning ship, firstly, the aquatic plants on the water surface are salvaged by using the salvage conveying device 5 and are conveyed to the feeding conveying device 2, the feeding conveying device 2 conveys the aquatic plants to the feeding hole 11 of the squeezer 1, the aquatic plants enter the squeezer 1 through the feeding hole 111, and then the squeezer 1 is used for dewatering the aquatic plants. The embodiment utilizes salvage conveyor 5 to salvage the aquatic plant on the surface of water to utilize feeding conveyor 2 to carry aquatic plant to squeezer 1 in, effectively improved this surface of water cleaning boat to the salvage of aquatic plant and dehydration efficiency. Simultaneously, feeding conveyor 2 is the belt weigher in this embodiment, and this belt weigher can not only carry aquatic plant to squeezer 1 in, and can weigh aquatic plant to can record aquatic plant feeding condition in succession, make data acquisition work for follow-up technology. The driving mode of the belt scale in the embodiment adopts electric control driving.

As shown in fig. 1, 2, 4 and 5, the ship body 100 of the present embodiment is further provided with the discharging conveyor 3, and the feeding end of the discharging conveyor 3 is located below the slag outlet 113 of the press 1. Aquatic plants discharged from the slag outlet 113 fall on the discharging and conveying device 3 and are conveyed to a set position by the discharging and conveying device 3, so that the aquatic plants are prevented from being accumulated at the slag outlet 113 after being dehydrated, and subsequent slag discharge is influenced. The discharging and conveying device 3 in this embodiment is a telescopic belt conveyor. And the discharging and conveying device 3 in this embodiment conveys the residue of the aquatic plant discharged from the slag outlet 113 and subjected to dehydration treatment to a transport ship, and the transport ship is located on one side of the water surface cleaning ship with the dehydration function. In addition, in the embodiment, a material leaking conveying device 6 is further installed on the ship body 100, and the material leaking conveying device 6 is positioned right below the discharging end of the fishing conveying device 5. In the process that the salvage conveying device 5 conveys the salvaged aquatic plants to the feeding conveying device 2, when the aquatic plants are leaked, namely the aquatic plants falling from the discharging end of the salvage conveying device 5 do not fall on the feeding conveying device 2, the part of the aquatic plants fall on the material leakage conveying device 6, and the material leakage conveying device 6 conveys the part of the aquatic plants to a transport ship. The embodiment utilizes the surface cleaning ship to salvage aquatic plants, and after the aquatic plants are dehydrated, the residues of the aquatic plants are conveyed to the transport ship, so that the transport ship can load more residues of the aquatic plants, and the surface cleaning ship and the transport ship can clear more aquatic plants on the water surface. The material leaking conveying device 6 in this embodiment is also a telescopic belt conveyor.

In this embodiment the press 1 has two of the above-mentioned screws 12 and the press 1 has two of the above-mentioned helical channels therein. Both helical channels communicate with the slag outlet 113. Slag notch 113 is great in this embodiment, is favorable to the outer row of impurity for this squeezer 1 trafficability characteristic is stronger, and can handle the aquatic plant that contains certain impurity. The pitch of the helix 12 is relatively large in this embodiment.

The above-described press 1 in the present embodiment is also referred to as a twin screw press dehydrator. The squeezer 1 and the water surface cleaning boat in the embodiment adopt the double screws for feeding simultaneously, so that the capacity is high. And a squeezing gap 123 is formed between two adjacent spiral blades 122 on each spiral 12 in the squeezer 1, the spiral blade 122 of one spiral 12 extends into the squeezing gap 123 between two adjacent spiral blades 122 of another spiral 12, that is, the two spirals 12 in the squeezer 1 are distributed in a crossed manner, and the center distance between the two spirals 12 in the squeezer 1 is smaller than the sum of the radii of the two spirals 12, so that the squeezer 1 has a small overall volume, occupies a small area of the ship hull 100, and has low power consumption. In the embodiment, the squeezer 1 is effective in adopting a spiral squeezing process, the dewatering rate meets the design requirement, and the equipment capacity basically meets the set requirement of 13 cubic meters per minute. Meanwhile, the double spirals in the embodiment are distributed in a crossed manner, so that the bridging phenomenon of mass feeding can be effectively prevented, and the volume of the feeding bin can be reduced, namely the volume of the press shell 11 is reduced. This squeezer 1 adopts the above-mentioned step by step, multistage displacement and back pressure ring 127's structural design, has that the dehydration rate is high, and crushing efficiency is high, and supplied materials strong adaptability can handle low strength materials such as twigs, foam box, plastic bottle. In this embodiment, the power device 13 is a motor, is convenient to control, is convenient to be in linkage control with front-end equipment, is driven by the motor, has hard mechanical characteristics and strong overload resistance, and is superior to the soft characteristics of a hydraulic system. The compression ratio of the squeezer 1 and the water surface cleaning boat is large in the embodiment.

The press frame 11 is mounted on a press frame 16 in this embodiment. The press shell 11 includes a water outlet collecting bucket 114, and the water outlet 112 is located at the lower end of the water outlet collecting bucket 114. In this embodiment, a cleaning platform 4 is further installed on the hull 100 on one side of the press 1, and when necessary, a maintenance person stands on the cleaning platform 4 to clean the inside of the press 1 conveniently. In this embodiment, the press 1, the feeding conveyor 2, the discharging conveyor 3, and the cleaning platform 4 form a dewatering system, and the dewatering system is mounted on the hull 100.

In this embodiment, the aquatic plant is specifically a water hyacinth. The water surface cleaning ship in the embodiment is mainly used for salvaging, weighing, dehydrating and transferring the water hyacinth. According to the water surface cleaning ship in the embodiment, the belt weighers are utilized to weigh water hyacinth, and the amount of the water hyacinth processed by the water surface cleaning ship is accurately mastered, so that the water surface cleaning ship has a real-time weighing function, can continuously record the feeding condition of the water hyacinth, and is used for performing data acquisition work for subsequent processes. In this embodiment, the squeezer 1 adopts a double-helix structural design, the two helices 12 are distributed in a crossed manner, the thread pitches are changed step by step, and the tail of the helix 12 can be subjected to a self-building squeezing and pressing dehydration treatment process. The water surface cleaning ship has the advantages of high treatment capacity, crushing, volume reduction and high dehydration efficiency on aquatic plants, can treat the aquatic plants containing certain impurities, and lays a foundation for subsequent process treatment. The water surface cleaning boat adopts a belt conveyor to output the residue of the aquatic plant discharged from the slag outlet 113 to subsequent equipment, and the squeezed water is directly discharged after being simply filtered and diluted. The fishing conveyor 5 is also referred to as a waste fishing device in this embodiment. Salvage conveyor 5 in this embodiment adopts row chain formula, and its conveying chain all comprises high strength nylon fastener, stainless steel chain axle and connection piece, and the dogtooth that has on the nylon fastener can effectively collude and hang showy aquatic plant, and the clearance between them can guarantee that aquatic plant fully strains water at whole cleaning salvage in-process.

The water surface cleaning ship in the embodiment is main operation equipment for aquatic plant salvage treatment integrating multiple functions of collection, salvage, weighing, compression, transportation and the like. The total length of the water surface cleaning ship is 29.8 meters, the width of the ship is 8.20 meters, the model depth is 2.60 meters, and the total power is 700 kilowatts. The water surface cleaning boat is suitable for collecting aquatic weeds, water surface garbage and floaters in landscape water areas and related water areas, meets the requirements of fixed-point operation and continuous transportation operation in the period of high emergence of small weeds, and is suitable for navigation in A, B-level navigation areas of inland rivers. The maximum operation amount of the water surface cleaning boat for treating aquatic plants can reach 400 tons per hour, and the cleaning river surface per hour is about 6 ten thousand square meters. The water surface cleaning boat can dehydrate aquatic plants with extremely high water content by more than 60 percent through a squeezing dehydration process, the volume is reduced by nearly 90 percent, the efficiency of salvaging, compressing, transferring and resource utilization of the aquatic plants is greatly improved, and a green disposal mode without vibration, noise and pollution is realized. The water surface cleaning ship realizes an intelligent treatment technology, can be operated and controlled in a remote control mode for the aquatic plant treatment device, reduces the labor intensity and reduces the operation safety risk.

To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A water surface cleaning ship with a dehydration function comprises a ship body (100), and is characterized in that: a squeezer (1) is arranged on the ship body (100), the squeezer (1) comprises a squeezer shell (11), two spirals (12) arranged in the squeezer shell (11), a power device (13) connected with the spirals (12), and a screen (14) arranged in the squeezer shell (11), the press shell (11) is provided with a feed inlet (111), a water outlet (112) and a slag outlet (113), the screen (14) is positioned at the periphery of the screw (12), the screw (12) comprises a screw shaft (121) and a plurality of screw blades (122) arranged on the screw shaft (121), and a squeezing gap (123) is arranged between two adjacent spiral blades (122) on each spiral (12), and the spiral blade (122) of one spiral (12) extends into the squeezing gap (123) between two adjacent spiral blades (122) of the other spiral (12).

2. The water surface cleaning ship with the dewatering function according to claim 1, characterized in that: the screen (14) is cylindrical, and the screen (14) surrounds the peripheries of the two spirals (12).

3. The water surface cleaning ship with the dewatering function according to claim 1, characterized in that: a plurality of resistance teeth (15) are arranged on the screen (14), and all the resistance teeth (15) are distributed at intervals along the axial direction of the spiral (12).

4. The water surface cleaning ship with the dewatering function according to claim 1, characterized in that: the spiral shaft (12) comprises a feeding spiral section (124), a pre-compression section (125) and a self-pressure-building section (126), the feeding spiral section (124), the pre-compression section (125) and the self-pressure-building section (126) are sequentially distributed along the direction from the feeding hole (111) to the slag outlet (113), the spiral shaft (121) comprises a feeding section sub-shaft (1211) positioned on the feeding spiral section (124), a pre-compression section sub-shaft (1212) positioned on the pre-compression section (125) and a self-pressure-building section sub-shaft (1213) positioned on the self-pressure-building section (126), and a plurality of spiral blades (122) are respectively installed on the feeding section sub-shaft (1211) and.

5. The water surface cleaning ship with the dewatering function according to claim 4, characterized in that: the pitch of the pre-compression section (125) is gradually reduced from the feed inlet (111) to the slag outlet (113).

6. The water surface cleaning ship with the dewatering function according to claim 4, characterized in that: and a back pressure ring (127) is arranged on the self-pressure-building section split shaft (1213).

7. The water surface cleaning ship with the dewatering function according to claim 1, characterized in that: one end of the spiral (12) corresponding to the feed inlet (111) is lower than one end of the spiral (12) corresponding to the slag outlet (113).

8. The water surface cleaning ship with the dewatering function according to claim 1, characterized in that: still install salvage conveyor (5) and feeding conveyor (2) on hull (100), the discharge end of salvage conveyor (5) is located the top of the feed end of feeding conveyor (2), the discharge end of feeding conveyor (2) is located the top of feed inlet (111) of squeezer (1).

9. The water surface cleaning ship with the dewatering function according to claim 8, characterized in that: the feeding and conveying device (2) is a belt scale.

10. The water surface cleaning ship with the dewatering function according to claim 1, characterized in that: still install ejection of compact conveyor (3) on hull (100), the feed end of ejection of compact conveyor (3) is located the below of slag notch (113) of squeezer (1).