CN114893392A

CN114893392A - Portable multifunctional liquid lightering device and using method thereof

Info

Publication number: CN114893392A
Application number: CN202210546153.0A
Authority: CN
Inventors: 张坤; 祁文军; 徐海鹏; 陆国祥; 潘勇; 杨飞; 项秋战; 杨晓亮; 刘德智; 徐德忠
Original assignee: Jiangnan Shipyard Group Co Ltd
Current assignee: Jiangnan Shipyard Group Co Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-08-12
Anticipated expiration: 2042-05-18
Also published as: CN114893392B

Abstract

The invention provides a portable multifunctional liquid transfer device and a using method thereof, the liquid transfer device comprises a transfer pump, an electric energy component, an operation display panel and the like, a liquid inlet pipe and a liquid outlet pipe are communicated with the transfer pump and are fixed on the surface of a fixed support in a U shape, the U-shaped opening faces upwards, a driving motor and the electric energy component are positioned in a U-shaped space, the operation display panel, an inlet pressure gauge and an outlet pressure gauge are arranged at the bottom of the fixed support, and a fire extinguishing device is arranged at the lower left corner of the fixed support. All components are integrally arranged on the fixed support, so that the integrated portable electric water heater is convenient to carry. The invention has the advantages of reasonable design, small volume, simple operation, intelligence, multiple applicable scenes, wide application range, time and labor saving and simple flow. Compared with the similar device, the device has the advantages of more flexible operation, more convenient use, more intelligent monitoring and safer guarantee. The lightering device for the liquid has the advantages that the lightering of the liquid is free from the operation of multiple persons, the temporary pulling of a cable is not needed, and the manual measurement of the liquid transportation amount is not needed.

Description

Portable multifunctional liquid lightering device and using method thereof

Technical Field

The invention relates to the field of ships and vehicles, in particular to a portable multifunctional liquid lightering device and a using method thereof.

Background

In boats and ships, vehicle, municipal administration, industry, refute and transport liquid is a very frequent work, refute and transport in liquid refute and transport work in the past, often use great pump package through the operation, need pull interim cable simultaneously and just can operate, still need two people and above to cooperate in the operation process and just can accomplish this work, refute the liquid volume of transporting also difficult very audio-visual observing, and because the flammable characteristic safety of medium can not be ensured when refuting and transporting oil class material.

Therefore, it is desirable to provide a portable and multifunctional liquid transfer apparatus to solve the above-mentioned technical problems in the conventional liquid transfer operation.

Disclosure of Invention

In view of the defects of the prior art, the invention provides a portable multifunctional liquid lightering device which comprises a lightering pump, wherein the lightering pump is connected with a liquid inlet pipe and a liquid outlet pipe, a filter is arranged in the liquid inlet pipe, the liquid inlet pipe positioned between the filter and the lightering pump is connected with an inlet pressure gauge through a pressure gauge pipe, a flow meter is arranged in the liquid outlet pipe, the liquid outlet pipe positioned between the flow meter and the lightering pump is connected with an outlet pressure gauge, and the outlet end of the liquid outlet pipe is provided with an outlet valve;

the lightering pump provides power through a driving motor, and the driving motor provides electric energy through a connecting cable and an electric energy assembly.

Preferably, the power assembly comprises a power main switch, a DC24V battery pack, an AC 220V-to-DC 24V inverter, a DC 24V-to-DC3.7V transformer, a pump pack contactor and a power main switch, wherein the inverter is connected with a 220V power connector, the power assembly is further provided with a cable stuffing box to ensure that the cable connection is stable, and heat-insulating fireproof cotton is arranged around the battery pack to protect the battery pack.

Preferably, the electric water heater further comprises an operation display panel, wherein the operation display panel comprises a pump set switch button, a display panel and a flow regulating button, and the pump set switch button is used for controlling the action of a pump set contactor so as to realize the normal start and stop of the driving motor; the display panel includes electric quantity display module and flow display module, the electric quantity display module pass through the cable with the group battery is connected, in order to show the electric quantity of group battery, the flow display module pass through the cable with the flowmeter is connected, with the volume of measurement and demonstration lightering liquid.

Preferably, the power connector is electrically connected with the inverter, the output end of the inverter is connected to the battery pack and the power main switch respectively, the power main switch is connected to the transformer and the pump set contactor respectively, the pump set contactor is connected to and controls the driving motor, the output end of the transformer is connected to the operation display panel and the flowmeter respectively to provide electric energy, a pump set switch button in the operation display panel is connected to the pump set contactor to control the opening and closing of the pump set contactor, and the operation display panel is further connected to the flowmeter and the battery pack to display electric quantity and flow.

Preferably, still include the fixed bolster, feed liquor pipe and drain pipe with refute the pump intercommunication and be the U type and be fixed in the surface of fixed bolster, driving motor and electric energy component are located U type space, operation display panel, import manometer and export manometer arrange in the bottom of fixed bolster, fire extinguishing apparatus arrange in the lower left corner of fixed bolster.

Preferably, the device further comprises a grounding terminal, wherein the grounding terminal is a part of the metal joint protruding out of the fixing bracket and is used for physically grounding the whole device.

Preferably, the device also comprises rollers, wherein the rollers are rubber wheels and consist of 4 rollers in total, and the rollers are respectively fixedly connected to the bottoms of the fixed brackets so as to enable the device to roll in a moving manner on the flat ground; the left end and the right end of the fixed support are provided with push-pull handles for pushing and lifting the device.

Preferably, feed liquor pipe and drain pipe adopt the clamp fixed, the clamp includes base, clamp ring and set screw, and the clamp ring compresses tightly the pipeline on the base and accomplishes fixedly through set screw, clamp ring and base all are equipped with the rubber pad with the part of pipeline contact.

The invention also provides a using method of the liquid lightering device, which comprises the following steps:

s1, pushing or handling the liquid transfer device, placing it in the appropriate location where liquid is to be transferred and checking the integrity of the fire fighting equipment to ensure normal availability;

s2, connecting an external pipeline to the joint of the liquid inlet pipe and the liquid outlet pipe, and connecting the grounding terminal to a nearby grounding terminal by a cable;

and S3, turning on the power main switch, and checking whether the electric quantity of the battery pack and the flow display of the flowmeter displayed on the operation display panel are normal. Adjusting a flow adjusting button on the operation display panel to set the flow of the liquid to be transported, wherein the display unit is liter;

s4, opening a pump unit switch button, adjusting the outlet valve, observing the jumping conditions of an inlet pressure gauge, an outlet pressure gauge and the flowmeter, and timely closing the pump unit switch button if abnormity occurs;

s5, after the device runs normally, the refuted flow is estimated according to the flow displayed by the display panel on the operation display panel, and after the actual refuted liquid flow reaches the set flow, the flow meter controls the power supply main switch to be powered off, and the pump set stops running.

Preferably, the method further comprises the following steps:

s6, if the set lightering amount can not meet the actual requirement in lightering operation, setting a numerical value through the flow adjusting button again to carry out incremental lightering; when the set lightering amount is larger than the actual demand amount, the power supply main switch can be manually turned off when the flow displayed by the display panel reaches the actual demand amount, and lightering work is stopped;

s7, when the battery pack is fully charged, the battery pack is not required to be connected with an alternating current power supply for use, and after the electric quantity of the battery pack is used up, 220V alternating current needs to be connected to the power supply connector for charging the device while using; when a power supply display bar in an electric quantity display module of the display panel is in a full grid state, the power supply display bar is in a full grid state, otherwise, the power supply display bar is in a low power storage state, and when the power supply display bar is in a state lower than one third, the power supply display bar needs to be charged in time;

and S8, when the driving motor smokes and fires or the battery pack smokes and fires due to vibration or high temperature, the fire extinguishing equipment needs to be immediately taken out to extinguish the fire.

The liquid transfer device comprises a transfer pump, an electric energy component, an operation display panel and the like, wherein a liquid inlet pipe and a liquid outlet pipe are communicated with the transfer pump and are fixed on the surface of a fixed support in a U shape, the U-shaped opening faces upwards, a driving motor and the electric energy component are positioned in the U-shaped space, the operation display panel, an inlet pressure gauge and an outlet pressure gauge are arranged at the bottom of the fixed support, and a fire extinguishing device is arranged at the lower left corner of the fixed support. All components are integrally arranged on the fixed support, so that the integrated portable electric water heater is convenient to carry. The invention has the advantages of reasonable design, small volume, simple operation, intelligence, multiple applicable scenes, wide application range, time and labor saving and simple flow. Compared with the similar liquid lightering device, the device has the advantages of more flexible operation, more convenient use, more intelligent monitoring and safer guarantee. The lightering device for the liquid has the advantages that the lightering of the liquid is free from the operation of multiple persons, the temporary pulling of a cable is not needed, and the manual measurement of the liquid transportation amount is not needed.

Drawings

Fig. 1 shows a schematic structural view of the liquid lightering device of the present invention.

Fig. 2 is a schematic structural diagram of an electrical energy assembly according to the present invention.

Fig. 3 is a schematic structural diagram of the operation display panel according to the present invention.

Fig. 4 shows a schematic view of the structure of the clamp band of the present invention.

Fig. 5 is a schematic diagram showing the circuit connections of the components in the present invention.

Description of the element reference numerals

1 drive motor 18 clamp ring

2 outlet valve 19 base

3 electric energy component 20 fixing screw

4 liquid inlet pipe 21 push-and-pull handle

5 Filter 22 display Panel

6 refute and transport pump 23 pump package shift knob

7 flowmeter 24 fixed bolster

8 connecting cable 25 power connector

9 the drain pipe 26 insulates against heat and fire cotton

10 ground terminal 27 cable stuffing box

11 fixed bracket 28 battery cable

12 pressure gauge tube 29 battery pack

13 inlet pressure gauge 30 inverter

14 outlet pressure gauge 31 transformer

15 operation display panel 32 pump set contactor

16 clamp 33 power main switch

17 roller 34 flow regulating button

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

As in the detailed description of the embodiments of the present invention, the cross-sectional views illustrating the device structures are not partially enlarged in general scale for convenience of illustration, and the schematic views are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

For convenience in description, spatial relational terms such as "below," "beneath," "below," "under," "over," "upper," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that these terms of spatial relationship are intended to encompass other orientations of the device in use or operation in addition to the orientation depicted in the figures. Further, when a layer is referred to as being "between" two layers, it can be the only layer between the two layers, or one or more intervening layers may also be present. As used herein, "between … …" is meant to include both endpoints.

In the context of this application, a structure described as having a first feature "on" a second feature may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features are formed in between the first and second features, such that the first and second features may not be in direct contact.

It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of each component in actual implementation may be changed freely, and the layout of the components may be more complicated.

In the prior art, a larger pump set is generally used, different types of devices are prepared for different media, alternating current is required to be connected during lightering, the process is complicated, and safety cannot be guaranteed due to the flammable characteristic of the media during lightering oil substances.

In order to solve the disadvantages of the existing lightering device, the present invention provides a portable multifunctional liquid lightering device, as shown in fig. 1, comprising:

lightering pump 6, lightering pump 6 is connected with feed liquor pipe 4 and drain pipe 9, install filter 5 in feed liquor pipe 4, be located filter 5 and lightering between the pump 6 feed liquor pipe 4 is connected with import manometer 13 through manometer pipe 12, install flowmeter 7 in the drain pipe, flowmeter 7 and lightering between the pump 6 drain pipe 9 is connected with export manometer 14, the exit end of drain pipe 9 is equipped with outlet valve 2.

Specifically, the lightering pump 6 is powered by the driving motor 1, and the driving motor 1 provides electric energy through the connecting cable 8 and the electric energy component 3. The driving motor 1 is a 24V direct current brushless permanent magnet motor and is used for driving the lightering pump 6; the lightering pump 6 is a small-sized double-screw pump and is used for pumping liquid. The outlet valve 2 is a common copper gate valve for controlling the flow and pressure of the liquid discharge. The filter 5 is a common paper filter element filter, and is mainly used for filtering sucked liquid, so that the liquid discharged by the lightering device is cleaner. The flow meter 7 is a liquid turbine flow meter, and functions to meter the amount of the transferred liquid and transmit the measured amount to the operation display panel 15 through a pulse signal. The liquid inlet pipe 4 and the liquid outlet pipe 9 are formed by connecting metal pipes, and are mainly used for conveying liquid to the outlet of the device from the inlet of the device, and the inlet and outlet connectors are common threaded connectors and are used for conveying the liquid to be lightened to the inlet of the device and conveying the liquid which is overpressured by the device to the connected outlet pipeline. The inlet pressure gauge 13 and the outlet pressure gauge 14 are common pointer type pressure gauges, and the pressure of the inlet and the outlet of the device is displayed;

further, as shown in fig. 2, the power assembly 3 comprises a main power switch 33, a DC24V battery pack 29, an AC 220V-to-DC 24V inverter 30, a DC 24V-to-DC3.7V transformer 31, a pump pack contactor 32, and a main power switch 33, the inverter 30 is connected with a 220v power connector 25, the power assembly 3 is further provided with a cable stuffing box 27 to ensure the stable cable connection, and heat-insulating fireproof cotton 26 arranged around the battery pack 29 to protect the battery pack 29, so as to ensure the safety of the device in the transfer work. The battery pack 29 is used to store power.

Specifically, the inverter 30 can convert household ac power into 24V dc power that can be used by the drive motor 1, and the transformer 31 can further convert the 24V dc power into 3.7V dc power, thereby supplying power to the flow meter 7 and the operation display panel 15. The 220V power connector 25 is a three-hole universal aviation connector female end and is used for conveying normally used 220V alternating current to a device.

Further, the liquid lightering device further comprises:

the operation display panel 15, as shown in fig. 3, includes a pump set switch button 23, a display panel 22, and a flow adjusting button 34, where the pump set switch button 23 is used to control the pump set contactor 32 to operate, so as to realize the normal start and stop of the pump set (i.e., the lightering pump 6 and the driving motor 1); the display panel includes electric quantity display module and flow display module, electric quantity display module pass through the cable with group battery 29 is connected, in order to show group battery 29's electric quantity, flow display module pass through the cable with flowmeter 7 is connected, refutes the volume of transporting liquid with measurement and demonstration.

Specifically, as shown in fig. 5, the circuit connections of the liquid lightering device are: the power connector 25 is electrically connected to an inverter 30, and the output end of the inverter 30 is respectively connected to the battery pack 29 and a power main switch 33, so that on one hand, the power connector can directly supply power to a computer of the whole system, and on the other hand, the power connector can store electric energy through the battery pack 29. The power main switch 33 is connected to the transformer 31 and the pump set contactor 32, the pump set contactor 32 is connected to and controls the driving motor 1, and the output end of the transformer 31 is connected to the operation display panel 15 and the flow meter 7 to provide electric energy. The pump set switch button 23 in the operation display panel 15 is connected to the pump set contactor 32 to control opening and closing of the pump set contactor 32. The operation display panel 15 is also connected to the flowmeter 7 and the battery pack 29, and displays the amount of electricity and the flow rate. The circuit connection is mainly composed of a kinetic energy cable for transmitting electric energy to the pump set motor and a communication cable for transmitting signals of the flow meter, the battery pack and the switch to the operation display panel 15.

The flow regulating button 34 is used for setting the flow of the lightering liquid, so that the device can automatically stop working when the liquid setting lightering amount reaches the required amount. The electric quantity display module is directly connected with the positive electrode and the negative electrode of the battery pack 29 and is used for monitoring the electric quantity of the battery and displaying the electric quantity in a long-strip grid shape; the flow display module is connected with the flowmeter 7 and is used for metering and summarizing the volume of the lightering liquid, and the volume is displayed by numbers and has the unit of liter.

Further, the port department of feed liquor pipe 4 and drain pipe 9 adopts clamp 16 fixed, as shown in fig. 4, clamp 16 includes base 19, clamp ring 18 and set screw 20, and clamp ring 18 compresses tightly the pipeline on base 19 and accomplishes fixedly through set screw 20. Rubber pads are arranged on the contact parts of the compression ring 18 and the base 19 with the pipeline.

Further, the grounding terminal 10 is also included, the grounding terminal 10 is a part of metal joint protruding from the fixing bracket 24, and mainly has the function of physically grounding the whole device to ensure the safety in use; the whole device is arranged on a fixed support 24, and the fixed support 24 is square, so that the device is integrated and convenient to carry. The fixing bracket 24 is an aluminum fixing bracket for fixing all parts of the device, and has push-pull handles 21 at both ends thereof for pushing and lifting the device.

Further, the fire extinguishing device comprises a fire extinguishing device 11, wherein the fire extinguishing device 11 is a foam fire extinguisher and is used for extinguishing fire in time when the device or the outside of the device generates a fire, so that the fire resistance and the dangerous case resistance of the device are ensured;

further, the device also comprises rollers 17, wherein the rollers 17 are common rubber wheels and are composed of 4 rollers, and the rollers 17 are respectively fixedly connected to the bottoms of the fixed brackets 24 to enable the device to roll in a movable manner on the flat ground, so that the device is more convenient to move.

As an example, the arrangement of the whole liquid lightering device is specifically: the fixed bolster is vertical setting, feed liquor pipe 4 and drain pipe 9 and refute 6 intercommunications of pump and be the U type and be fixed in the surface of fixed bolster 24, U type opening up, driving motor 1 and electric energy component 3 are located U type space, operation display panel 15, import manometer 13 and export manometer 14 arrange in the bottom of fixed bolster 24, fire extinguishing apparatus 11 arrange in the lower left corner of fixed bolster 24. The arrangement scheme in the example can maximize the space utilization and reduce the whole volume to the maximum extent, thereby realizing integration and convenient carrying. Of course, this arrangement is not exclusive and may be adjusted in practice according to requirements.

The invention also provides a using method of the portable multifunctional liquid lightering device, which specifically comprises the following steps:

s1, pushing or handling the liquid transfer device, placing it in the appropriate location where liquid needs to be transferred and checking the integrity of the fire fighting equipment 11 to determine if it is usable;

s2, connecting an external pipeline to the joints of the liquid inlet pipe 4 and the liquid outlet pipe 9, and connecting the grounding terminal 10 to a nearby grounding end by a cable;

s3, turning on the power main switch 33, and checking whether the electric quantity of the battery pack 29 and the flow rate display of the flow meter 7 displayed on the operation display panel 15 are normal. Adjusting a flow adjusting button 34 on the operation display panel 15 to set the flow of the required lightering liquid, wherein the display unit is liter;

and S4, opening the pump unit switch button 23, adjusting the outlet valve 2, observing the jumping conditions of the inlet pressure gauge 13, the outlet pressure gauge 14 and the flowmeter 7, and timely closing the pump unit switch button 23 if abnormal conditions exist.

And S5, after the device operates normally, the device can operate all the time, and the lightered flow is estimated according to the flow displayed by the display panel 22 on the operation display panel 15. When the actual lightering liquid flow reaches the set flow, the flowmeter 7 controls the power supply main switch 33 to be powered off, and the pump set stops running.

S6, if the set lightering amount can not meet the actual requirement in lightering operation, setting a numerical value through the flow adjusting button 34 again, and performing incremental lightering; when the set lightering amount is larger than the actual demand amount, the power main switch 33 may be manually turned off when the flow rate displayed on the display panel 22 reaches the actual demand amount, and the lightering operation is stopped.

S7, when the battery pack 29 is fully charged, the battery pack is not used by connecting an ac power supply, and after the battery pack 29 is used, 220V ac power is connected to the power connector 25 to charge the device, and the device can be charged while being used; when the power display bar in the power display module of the display panel 22 is in a full state, the power display bar is in a full state, otherwise, the power storage is insufficient, and when the power display bar is in a state lower than one third, the power display bar needs to be charged in time.

S8, when the driving motor 1 smokes and fires or the battery pack 29 smokes and fires due to vibration or high temperature, the fire extinguishing apparatus 11 should be immediately taken out to extinguish the fire.

In summary, the invention provides a portable multifunctional liquid transfer device and a use method thereof, the liquid transfer device comprises a transfer pump, an electric energy component, an operation display panel and the like, a liquid inlet pipe and a liquid outlet pipe are communicated with the transfer pump and are fixed on the surface of a fixed support in a U shape, the U-shaped opening faces upwards, a driving motor and the electric energy component are positioned in the U-shaped space, the operation display panel, an inlet pressure gauge and an outlet pressure gauge are arranged at the bottom of the fixed support, and a fire extinguishing device is arranged at the lower left corner of the fixed support. All components are integrally arranged on the fixed support, so that the integrated portable electric water heater is convenient to carry. The invention has the advantages of reasonable design, small volume, simple operation, intelligence, multiple applicable scenes, wide application range, time and labor saving and simple flow. Compared with the similar liquid lightering device, the device has the advantages of more flexible operation, more convenient use, more intelligent monitoring and safer guarantee. The lightering device for the liquid has the advantages that the lightering of the liquid is free from the operation of multiple persons, the temporary pulling of a cable is not needed, and the manual measurement of the liquid transportation amount is not needed.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can 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

1. The portable multifunctional liquid lightering device is characterized by comprising a lightering pump, wherein the lightering pump is connected with a liquid inlet pipe and a liquid outlet pipe, a filter is installed in the liquid inlet pipe, the liquid inlet pipe between the filter and the lightering pump is connected with an inlet pressure gauge through a pressure gauge pipe, a flow meter is installed in the liquid outlet pipe, the liquid outlet pipe between the flow meter and the lightering pump is connected with an outlet pressure gauge, and an outlet end of the liquid outlet pipe is provided with an outlet valve;

2. The liquid lightering device of claim 1, wherein the power assembly comprises a power main switch, a DC24V battery pack, an AC 220V-to-DC 24V inverter, a DC 24V-to-DC3.7V transformer, a pump pack contactor, a power main switch, wherein the inverter is connected with a 220V power connector, the power assembly is further provided with a cable stuffing box to ensure the cable connection is stable, and heat-insulating fireproof cotton is arranged around the battery pack to protect the battery pack.

3. The liquid lightering device of claim 2, further comprising an operation display panel, wherein the operation display panel comprises a pump set switch button, a display panel and a flow regulating button, and the pump set switch button is used for controlling the action of a pump set contactor so as to realize the normal start and stop of the driving motor; the display panel includes electric quantity display module and flow display module, the electric quantity display module pass through the cable with the group battery is connected, in order to show the electric quantity of group battery, the flow display module pass through the cable with the flowmeter is connected, with the volume of measurement and demonstration lightering liquid.

4. The liquid lightering device of claim 3, wherein the power connector is electrically connected to an inverter, the output of the inverter is connected to the battery pack and the power master switch, the power master switch is connected to the transformer and the pump set contactor, the pump set contactor is connected to and controls the driving motor, the output of the transformer is connected to the operation display panel and the flowmeter to provide electric energy, the pump set switch button in the operation display panel is connected to the pump set contactor to control the opening and closing of the pump set contactor, and the operation display panel is further connected to the flow meter and the battery pack to display electric quantity and flow.

5. The liquid lightering device of claim 4, further comprising a fixed support, wherein the liquid inlet pipe and the liquid outlet pipe are communicated with the lightering pump and are fixed in a U shape on the surface of the fixed support, the driving motor and the electric energy component are positioned in a U-shaped space, the operation display panel, the inlet pressure gauge and the outlet pressure gauge are arranged at the bottom of the fixed support, and the fire extinguishing equipment is arranged at the lower left corner of the fixed support.

6. The liquid lightering device of claim 5, further comprising a ground terminal, the ground terminal being a portion of a metal tab from which the fixed bracket protrudes for physically grounding the entire device.

7. The liquid lightering device of claim 6, further comprising rollers, wherein the rollers are rubber wheels, and the rollers are composed of 4 rollers and are respectively fixedly connected to the bottom of the fixed support to enable the device to roll in a moving manner on a flat ground; the left end and the right end of the fixed support are provided with push-pull handles for pushing and lifting the device.

8. The liquid lightering device of claim 1, wherein the liquid inlet pipe and the liquid outlet pipe are fixed by a clamp, the clamp comprises a base, a clamp ring and a fixing screw, the clamp ring presses the pipeline on the base and completes fixation through the fixing screw, and rubber pads are arranged on the clamp ring and the contact part of the base and the pipeline.

9. A method of using a liquid lightering apparatus according to any one of claims 7 to 8, comprising the steps of:

10. The method of use of claim 9, further comprising the steps of: