WO2020181573A1

WO2020181573A1 - Offshore rapid sewage suction device, and sewage suction fence and sewage suction fence system thereof

Info

Publication number: WO2020181573A1
Application number: PCT/CN2019/078941
Authority: WO
Inventors: 陈大海
Original assignee: 深圳海洋卫士环保科技有限公司
Priority date: 2019-03-12
Filing date: 2019-03-21
Publication date: 2020-09-17
Also published as: CN109736277B; CN109736277A

Abstract

The present application relates to an offshore rapid sewage suction device, and a sewage suction fence and a sewage suction fence system thereof. The offshore rapid sewage suction device comprises a ventilation pipe, an air bag arranged on the periphery of the ventilation pipe, and a sewage suction material arranged on the periphery of the air bag, wherein the ventilation pipe is used for introducing high-pressure gas or a vacuum; and the ventilation pipe is in communication with the air bag and the sewage suction material respectively by means of arranged connecting structures, so that the ventilation pipe inflates the air bag and recovers pollutants from the sewage suction material. The device has a good recovery effect, is high in efficiency, is simple in structure and has a high degree of automation. The sewage suction fence formed by the sewage suction device can be used in a polluted region of large area to intercept and recover pollution sources, thereby effectively controlling the pollution sources. The system formed by the sewage suction fence, a winding machine and a pump station is small in size, convenient to transport and store, convenient and fast to use and has a high degree of automation.

Description

Marine rapid dirt suction device, dirt suction fence and dirt suction fence system thereof

This application is based on a Chinese patent application with an application number of 201910183936.5 and an application date of March 12, 2019, and claims its priority. The entire content of this application is hereby incorporated into this application as a whole.

Technical field

This application relates to water cleaning equipment, and more specifically refers to a marine rapid dirt suction device and its dirt suction fence and dirt suction fence system.

Background technique

Due to the frequent human activities, the pollution of oceans, rivers, lakes, etc. is getting more and more serious, and the pollution will give rise to secondary pollution. Oceans, rivers, lakes, etc. are polluted, mostly because of floating objects on the water, so how to intercept and recover floating objects has become a world problem.

Because pollutants (such as oil spills) float on the water surface, they are highly uncertain, spread quickly, and the pollution area is large and difficult to collect. Once contaminated, failure to intercept in time will cause even greater consequences.

The Chinese patent discloses a surface garbage collection device (CN201811290999.2), comprising: a buoy unit, and a vortex generator and a garbage absorption unit respectively connected to the buoy unit; wherein the buoy unit includes a garbage receiving cavity A cylinder body and a floating bucket arranged on the peripheral side wall of the cylinder body so that the cylinder body can float on the surface of the water area. The top of the cylinder body is detachably provided with a cylinder cover, and the side wall of the cylinder cover is evenly provided with at least two garbage suction inlets. The garbage suction port is communicated with the garbage receiving cavity. The vortex generator is arranged at the bottom of the floating bucket; and the garbage absorbing unit includes a water pump arranged on the bottom of the cylinder and suitable for pumping water in the garbage containing cavity. The above-mentioned patent does not have the interception function, and cannot be intercepted and collected on a large scale. It is not suitable for large-scale occasions such as oceans, rivers, and lakes; and the degree of automation is not high. In addition, through mechanical recovery, the recovery rate is low, the structure is relatively complicated, the volume is large, and the cost is high.

Application content

The purpose of the present application is to overcome the defects of the prior art and provide a marine rapid pollution suction device and its pollution suction fence and pollution suction fence system.

In order to achieve the above objectives, this application adopts the following technical solutions:

A marine rapid pollution suction device, comprising a vent pipe, an air bag arranged on the outer circumference of the vent pipe, and a dirt suction material arranged on the outer circumference of the air bag; the vent pipe is used to pass high-pressure gas or vacuum; the vent pipe passes through The provided connection structure is respectively communicated with the airbag and the dirt suction material, so that the vent pipe inflates the airbag and recovers pollutants from the dirt suction material.

The further technical solution is that the dirt-absorbing material is one or more of oil-absorbing cotton, hydrophobic oil-absorbing felt, and hydrophobic three-dimensional fabric.

Its further technical solution is: the outer periphery of the dirt absorption material is wrapped with a fixed net; the inside of the vent pipe is provided with a cable.

Its further technical solution is: a sleeve is arranged between the vent tube and the airbag; the outer circumference of the sleeve is fixedly connected with the airbag.

Its further technical solution is: the connecting structure includes a mounting shell rotatably connected to the outside of the vent pipe, a forward one-way valve and a reverse one-way valve; the mounting shell is provided with an inner cavity, and the inner cavity passes The first channel is provided in communication with the airbag, and the second channel is provided in communication with the dirt suction material; the forward one-way valve is provided in the first channel, and the reverse one-way valve is provided in the second channel to make the vent pipe Inflate the airbag and drain the dirt suction material.

The further technical solution is that the two ends of the mounting shell are rotatably connected with the vent pipe through sealed bearings; and a plurality of sealing rings are arranged between the mounting shell and the vent pipe.

The further technical solution is: the two ends of the mounting shell are rotatably connected with the vent pipe through sealed bearings; a rotary joint is provided between the mounting shell and the vent tube; the air inlet end of the rotary joint is communicated with the vent tube, The air outlet is communicated with the inner cavity of the mounting shell.

The further technical solution is: the output end of the second channel is extended with a number of collection tubes, and they are evenly distributed inside the dirt suction material; the outer circumference of the collection tube is evenly distributed with a number of collection holes to communicate with the dirt suction material .

Its further technical solution is: the outer periphery of the collection tube is wrapped with a filter membrane for water blocking.

The further technical solution is that there are at least two second channels, so as to increase the contact area with the dirt suction material and improve the dirt suction efficiency.

The further technical solution is that the airbag is provided with a deflation port. The vent pipe is a hose, and both ends of the hose are closed; a cable (steel cable) is arranged inside the hose, and both ends of the cable extend from the closed end of the vent pipe.

The further technical proposal is that it further includes a baffle frame rotatably connected with the vent pipe; the upper part of the baffle frame is rotatably connected with the vent pipe, and both ends extend to the upper and lower sides of the airbag.

A water interception and pollution suction fence includes a plurality of the above-mentioned dirt suction devices; the dirt suction devices are sequentially connected to form a fence structure; and the ventilation pipe is connected with a pump station. The two ends of the snorkel are fixedly connected to the power boat. When working, the power boat is dragged from the two ends of the fence, and the fence moves on the water surface. Under the resistance of the water surface, the suction material and airbag will rotate around the snorkel. Due to the hydrophobic nature of the dirt-absorbing material, the pollutants on the water surface are continuously absorbed. When the pollutant absorption material is saturated with pollutants, the vent tube is vented into vacuum. Under the action of the forward check valve and the reverse valve, the first channel is closed, the second channel is opened, and the vent tube recovers the pollutants from the pollutant absorption material .

A dirt suction fence system, comprising the aforementioned dirt suction fence, a winder for retracting the dirt suction fence, and a pumping station for providing air source to the dirt suction fence; one end of the cable is fixedly connected with the hoist, and the other One end is fixedly connected with the power boat to release to the fence. The winder and pumping station are set up on the shore or on the ship.

Compared with the prior art, the beneficial effect of this application is that the pollution suction device of this application uses a vent tube to supply air to the airbag to control buoyancy and adapt to different polluted environments; the dirt suction material can adsorb pollutants in the form of adsorption , After the adsorption is full, the vent pipe is put into vacuum to absorb and recover the pollutants. The device has good recovery effect, high efficiency, simple structure and high degree of automation. The pollution suction fence formed by the pollution suction device can be used in large-area pollution areas to intercept and recover pollution sources, and effectively control pollution sources. The system formed by the suction fence, winder and pumping station is small in size, convenient in transportation and storage, convenient in use and high in automation.

The application will be further described below in conjunction with the drawings and specific embodiments.

Description of the drawings

Fig. 1 is a three-dimensional structure diagram of a rapid sewage suction device at sea according to the present application;

Figure 2 is a middle cross-sectional view of a marine fast suction device of this application;

Fig. 3 is a middle cross-sectional view of another embodiment of a marine rapid sewage suction device of this application;

Figure 4 is a structural diagram of a collection pipe of a marine fast suction device of this application;

Figure 5 is a schematic side view of the circular connection structure of a marine rapid sewage suction device of the present application;

Figure 6 is a schematic side view of the square connection structure of a marine rapid sewage suction device of this application

FIG. 7 is a three-dimensional structural diagram of a blocking frame of a marine rapid sewage suction device of this application;

Figure 8 is a simplified view of a water interception and pollution suction fence according to this application;

Figure 9 is a simplified view of a dirt suction fence system of this application.

detailed description

In order to fully understand the technical content of the present application, the technical solution of the present application will be further introduced and illustrated below in conjunction with specific embodiments, but it is not limited thereto.

Figures 1-9 are drawings of the embodiments of the present application.

A marine rapid pollutant suction device Q, as shown in Figs. 1 to 2, includes a vent tube 10, an airbag 11 arranged on the outer periphery of the vent tube 10, and a dirt suction material 12 arranged on the outer periphery of the airbag 11. The vent pipe 10 is used to pass in high pressure gas or pass in vacuum. The vent pipe 10 is respectively communicated with the airbag 11 and the dirt suction material 12 through the provided connection structure 13, so that the vent pipe 10 inflates the airbag 11 and recovers pollutants from the dirt suction material 12. The airbag 11 can increase the buoyancy, and at the same time control the air intake of the airbag 11, and can control the buoyancy to adapt to different polluted environments.

Preferably, the dirt-absorbing material 12 is one or more of oil-absorbing cotton, hydrophobic oil-absorbing felt, and hydrophobic three-dimensional fabric. In addition, the dirt-absorbing material 12 can also be a superhydrophobic mesh material, using nanocellulose and graphene The characteristics of a series of products such as lipophilic and hydrophobic sponges, high-performance oil boom materials, and underwater organic adsorption materials obtained by dip coating.

A fixed net 14 is wrapped around the dirt absorption material 12 to fix the dirt absorption material 12 and also allow contaminants to enter the dirt absorption material 12 from gaps in the fixed net 14.

Among them, in order to increase flexibility and strength, a cable 15 is provided inside the vent tube 10. The vent pipe 10 is a flexible tube, and both ends of the flexible tube are closed. The cable 15 inside the hose (preferably a steel cable, and the outer side of the steel cable is wrapped with a protective layer with characteristics of corrosion resistance and tensile resistance; or a cable made of other polymer materials) from the closed end of the vent tube 10 Extend, to fix with other objects when dragging the entire device.

A sleeve 16 is provided between the vent tube 10 and the airbag 11. The outer circumference of the sleeve 16 is fixedly connected with the airbag 11, and when rotating, a gap is formed between the sleeve 16 and the airbag 11, so that the sleeve 16 rotates around the vent tube 10 and avoids mutual wear of the airbag 11 and the vent tube 10.

As shown in FIG. 2, the connecting structure 13 includes a mounting shell 131 rotatably connected to the outside of the vent pipe 10, a forward check valve 132 and a reverse check valve 133. An inner cavity 134 is provided inside the mounting shell 131, and the inner cavity 134 communicates with the airbag 11 through a first channel 135, and a second channel 136 communicates with the dirt suction material 12. The forward one-way valve 132 is provided in the first channel 135, and the reverse one-way valve 133 is provided in the second channel 136, so that the vent tube 10 inflates the airbag 11 and discharges the dirt absorption material 12. When the dirt suction material 12 is full of contaminants, the vent tube 10 is put into vacuum, the forward check valve 132 is closed under the pressure of the airbag 11, and the reverse check valve 133 is opened under the action of air pressure, and at the same time under the action of vacuum Next, the contaminants of the dirt absorption material 12 are sucked and discharged from the vent pipe 10.

Preferably, the connecting structure 13 is entirely buried inside the dirt absorption material 12 to avoid damage to the connecting structure 13 and prolong the service life.

Both ends of the mounting shell 131 are rotatably connected with the vent pipe 10 through sealed bearings 137 provided. Among them, the sealed bearing 137 is a non-metallic wear-resistant and corrosion-resistant bearing. A number of sealing rings 138 are provided between the mounting shell 131 and the vent pipe 10 for sealing between the vent pipe 10 and the connecting structure 13. The sealing ring 138 is made of corrosion-resistant and wear-resistant materials.

In another embodiment, as shown in FIG. 3, the two ends of the mounting shell 131 are rotatably connected with the vent pipe 10 through sealed bearings 137 provided. A rotary joint 139 is provided between the mounting shell 131 and the air pipe 10. The inlet end of the rotary joint 139 communicates with the vent pipe 10, and the outlet end communicates with the inner cavity 134 of the mounting shell 131. The rotary joint 139 is sealed and embedded inside the mounting shell 131.

Preferably, as shown in FIGS. 2, 4 and 5, the output end of the second channel 136 extends with a plurality of collection tubes 17, and they are evenly distributed inside the dirt suction material 12. A number of collecting holes 171 are evenly distributed around the outer circumference of the collecting pipe 17 to communicate with the dirt suction material 12. The outer periphery of the collection tube 17 is wrapped with a filter membrane 172 for water blocking. There are at least two second channels 136 to increase the contact area with the dirt suction material 12 and improve the dirt suction efficiency. The collection tube 17 is arranged in the dirt absorption material 12 like a human neural network. After the dirt absorption material 12 adsorbs the pollutants, the collection tube 17 is connected to the vent tube 10, and a vacuum is introduced, and the pollutants enter the collection tube through the collection hole 171 17, and then gathered into the snorkel 10.

As shown in Fig. 6, the connecting structure 13 is a flat block or cylindrical shape to facilitate winding.

Preferably, as shown in FIG. 1, the airbag 11 is provided with a vent 111 and extends to the outside of the dirt absorption material 12. When the entire device is recovered, the air in the airbag 11 can be released for better storage and transportation.

Among them, as shown in FIG. 7, in order to prevent the spread of waves or pollutants from below the water surface when the entire suction device is working, it also includes a baffle frame 18 rotatably connected with the vent pipe 10. The middle part of the baffle frame 18 is rotatably connected with the vent tube 10, and both ends extend to the upper side and the lower side of the airbag 11. The baffle frame 18 is located on the upper side of the dirt suction device, which can block the diffusion of pollutants from waves; the baffle frame 18 is located on the lower side of the device, which can block the pollutants below the water surface and prevent diffusion. Preferably, the center of gravity of the stop frame 18 is concentrated on the lower end or a counterweight 181 is provided at the lower end, so that the stop frame 18 is in an upright or inclined state during operation.

A water interception and pollution suction fence Q3, as shown in FIG. 8, includes a plurality of the above-mentioned pollution suction devices Q. The dirt suction device Q is connected in sequence to form a fence structure. The vent pipe 10 communicates with the pump station Q1 provided. The two ends of the snorkel 10 are fixedly connected with the power ship Q2 (the pump station Q1 is set on the power ship Q2). When working, the power ship Q2 is dragged from both ends of the fence, and the fence moves on the water surface under the action of the resistance of the water surface , The dirt-absorbing material 12 and the airbag 11 will rotate around the vent pipe 10. Because the dirt-absorbing material 12 has a hydrophobic characteristic, it constantly absorbs pollutants on the water surface. When the contaminant absorption material 12 is saturated with contaminants, the vent tube 10 is vented into vacuum. Under the action of the forward check valve 132 and the reverse valve, the first channel 135 is closed, the second channel 136 is opened, and the vent tube 10 is The dirt absorption material 12 recovers pollutants.

The pollution absorption material 12 can respectively efficiently adsorb and recycle crude oil, heavy oil, light oil, diesel gasoline, organic chemical liquids, and underwater organic chemical liquids. For the emulsified oil dispersed in water, the dirt absorbent material 12 may be an oleophobic and hydrophilic emulsified oil separation material. The pollution of algae can not be ignored. The best period for eliminating algae is when the cell is dividing, and the absorbent material is used to absorb it in the cell period.

In places where the marine aquaculture industry is denser, the pollution is more serious due to feeding and spreading faster, which will cause serious secondary pollution. The fence is set on the outside of the breeding area to effectively curb the spread of feeding residues and reduce secondary pollution.

A dirt suction fence system, as shown in Fig. 9, includes the aforementioned dirt suction fence Q3, a winder Q4 for retracting the dirt suction fence Q3, and a pump station Q1 for providing air source to the dirt suction fence Q3 . One end of the cable 15 is fixedly connected to the hoist Q4, and the other end is fixedly connected to the power ship Q2 to release to the fence. The winding machine Q4 and the pump station Q1 are set on the shore or on the ship.

Due to the requirements of transportation and storage, the fence system requires small size, light weight and convenient use. Therefore, the suction fence Q3 is wound on the hoist, so that the hoist can be placed on the shore or on the ship; when releasing the sewage fence Q3 , Pump station Q1 can work at the same time.

In summary, the pollution suction device of the present application uses a vent pipe to supply air to the airbag to control buoyancy and adapt to different polluted environments; the dirt suction material can adsorb pollutants in the form of adsorption. After the adsorption is full, the vent pipe is Into a vacuum to recover contaminants. The device has good recovery effect, high efficiency, simple structure and high degree of automation. The pollution suction fence formed by the pollution suction device can be used in large-area pollution areas to intercept and recover pollution sources, and effectively control pollution sources. The system formed by the suction fence, winder and pumping station is small in size, convenient to transport and store, easy to use, and highly automated.

The above only uses examples to further illustrate the technical content of this application for easier understanding of readers, but it does not mean that the implementation of this application is limited to this. Any technical extension or re-creation made according to this application shall be subject to this application. protection of. The scope of protection of this application is subject to the claims.

Summary of the invention

technical problem

The solution to the problem

The beneficial effects of the invention

Claims

A marine rapid pollution suction device, which is characterized in that it comprises a vent pipe, an air bag arranged on the outer periphery of the vent pipe, and a dirt suction material arranged on the outer periphery of the air bag; the vent pipe is used to pass high-pressure gas or vacuum; The vent pipe is respectively connected with the airbag and the dirt suction material through the provided connection structure, so that the vent pipe inflates the airbag and recovers pollutants from the dirt suction material.
The marine rapid dirt absorption device according to claim 1, wherein the dirt absorption material is one or more of oil-absorbing cotton, hydrophobic oil-absorbing felt, and hydrophobic three-dimensional fabric.
The marine rapid sewage suction device according to claim 1, wherein the outer periphery of the dirt suction material is wrapped with a fixed net; and a cable is arranged inside the vent pipe.
The marine rapid dirt suction device according to claim 1, wherein a sleeve is provided between the vent pipe and the airbag; the outer periphery of the sleeve is fixedly connected with the airbag.
The marine rapid sewage suction device according to claim 1, wherein the connecting structure comprises a mounting shell rotatably connected to the outside of the vent pipe, a forward one-way valve and a reverse one-way valve; the mounting An inner cavity is provided inside the shell, and the inner cavity is in communication with the airbag through a first passage provided, and a second passage is provided in communication with the dirt suction material; the positive one-way valve is provided in the first passage, and the reverse The one-way valve is arranged in the second channel, so that the vent pipe inflates the air bag and discharges the dirt suction material.
The marine rapid sewage suction device according to claim 5, wherein the two ends of the mounting shell are rotatably connected with the vent pipe through sealed bearings; there are several Sealing ring

Or the two ends of the mounting shell are rotatably connected with the vent pipe through sealed bearings; a rotary joint is provided between the mounting shell and the vent pipe; the air inlet end of the rotary joint communicates with the vent tube, and the air outlet end is connected to the mounting shell The lumen is connected.
The marine rapid sewage suction device according to any one of claims 5 or 6, wherein a plurality of collection tubes extend from the output end of the second channel, and they are evenly distributed inside the dirt suction material; A number of collecting holes are evenly distributed around the outer circumference of the collecting pipe to communicate with the dirt-absorbing material.
The marine rapid pollution suction device according to claim 1, further comprising a baffle frame rotatably connected with the vent pipe; the upper part of the baffle frame is rotatably connected with the vent pipe, and both ends extend to the upper and lower sides of the airbag side.
A water interception and pollution suction fence, which is characterized in that it comprises a plurality of dirt suction devices according to any one of claims 1 to 8; the dirt suction devices are connected in sequence to form a fence structure; the vent pipe and the device Some pumping stations are connected.
A dirt suction fence system, characterized in that it comprises the dirt suction fence of claim 9, a winder for retracting the dirt suction fence, and a pumping station for providing air source to the dirt suction fence; One end of the cable is fixedly connected with the hoist, and the other end is fixedly connected with the power ship to discharge the fence; the winding machine and the pump station are arranged on the shore or on the ship.