System and method for rapidly measuring oil content of sunken ship oily water entering cabin

Abstract

The invention provides a system and method for rapidly measuring the oil content of sunken ship oily water after entering a cabin, and relates to the technical field of sunken ship salvage, the system comprises a sampling device and an oil-water measuring device, the sampling device comprises a main pipeline and a lifting device, the main pipeline is used for sampling, an upper sealing cover is arranged above the main pipeline, and the lifting device is used for lifting the upper sealing cover; a lower sealing cover is elastically and movably arranged below the main pipeline, and the lifting device is arranged above one side of the main pipeline; the sampling device is hoisted into the cabin for sampling, the lower sealing cover is tensioned through the lifting device to seal the lower end opening of the main pipeline, then the upper sealing cover is sealed, sampling can be completed, sampled oil and water are poured into the oil and water measuring device, and the scales of a water volume layer and an oil volume layer can be read through the scale marks. According to the scale, the inner diameter of the main pipeline and the distance between the bottom of the main pipeline and the bottom of the base, the oil content can be obtained through an algorithm, rapid and accurate measurement is achieved, and powerful technical support is provided for emergency treatment of marine oil contamination.

Description

Technical Field

[0001] The present invention relates to the technical field of sunken ship salvage, and particularly to a system and method for quickly measuring the oil content after oil-contaminated sewage enters the cabin of a sunken ship. Background Art

[0002] After a sunken ship accident occurs at sea, the treatment of oil-contaminated sewage is a crucial link. Accurately measuring the oil content in the oil-contaminated sewage is of great significance for subsequent residual oil volume assessment, formulation of oil spill cleaning plans, and implementation of environmental protection measures. Currently, commonly used methods for measuring the oil content in oil-contaminated sewage at home and abroad, such as chemical analysis methods and acoustic detection methods, all have problems such as high requirements for operating processes and high costs, and it is difficult to meet the needs of efficient emergency treatment for quickly measuring the oil content after the oil-contaminated sewage enters the cabin of a sunken ship. Therefore, the present invention proposes a system and method for quickly measuring the oil content after the oil-contaminated sewage enters the cabin of a sunken ship to solve the problems existing in the prior art. Summary of the Invention

[0003] In view of the above problems, the present invention proposes a system and method for quickly measuring the oil content after the oil-contaminated sewage enters the cabin of a sunken ship. The system and method for quickly measuring the oil content after the oil-contaminated sewage enters the cabin of a sunken ship can obtain the oil content according to the scale line, the inner diameter of the main pipeline, and the distance from the bottom of the main pipeline to the bottom of the base, and cooperate with an algorithm, so as to achieve quick and accurate measurement, providing strong technical support for marine oil spill emergency treatment.

[0004] To achieve the object of the present invention, the present invention is realized through the following technical solutions: A system for quickly measuring the oil content after the oil-contaminated sewage enters the cabin of a sunken ship includes a sampling device and an oil-water measurement device. The sampling device includes a main pipeline and a lifting device. The main pipeline is used for sampling, and an upper sealing cover is provided above the main pipeline. A lower sealing cover is elastically movably provided below the main pipeline. The lifting device is provided above one side of the main pipeline, and the lifting end of the lifting device is connected to the lower sealing cover. The oil-water measurement device includes a transparent glass container and a scale line. The transparent glass container is used to hold the sample, and the scale line is provided on one side of the transparent glass container.

[0005] Further improvement lies in that: The middle part of the main pipeline is composed of detachable multi-section pipe bodies, which are used to be spliced into a suitable length according to different cabin depths. The inner wall of the main pipeline is coated with an oil-repellent and water-repellent coating.

[0006] Further improvement lies in that: The lower sealing cover is hinged to the lower end of the main pipeline, and an automatic return spring is equipped at the hinge for driving the lower sealing cover to open.

[0007] Further improvement lies in that: The lifting device includes a motor and a steel wire rope. The steel wire rope is wound around the output end of the motor, and the lower end of the steel wire rope is connected to the lower sealing cover.

[0008] A further improvement lies in that the motor has an adjustable torque output for controlling the tension of the wire rope so that the lower sealing cover seals the lower end of the main pipeline.

[0009] A further improvement lies in that lifting lugs are provided above both sides of the main pipeline, and the lifting lugs are used to connect a lifting device for hoisting and lowering.

[0010] A further improvement lies in that a base is provided at the bottom of the main pipeline, and the base is used to place the main pipeline stably and provide a space for the lower sealing cover to flip freely.

[0011] A further improvement lies in that the sample contained in the transparent glass container is stratified into a water volume layer and an oil volume layer, the oil volume layer is located above the water volume layer, and the scale line is used to read the scales of the water volume layer and the oil volume layer.

[0012] A method for quickly measuring the oil content after sunken ship oil sewage enters the cabin includes the following steps: According to the actual situation of sunken ship oil sewage entering the cabin, adjust the length of the main pipeline appropriately, slowly hoist the sampling device into the cabin, stand for N minutes to ensure that the oil and water in the pipe are at the same level as the oil and water in the cabin, start the lifting device, tighten the lower sealing cover so that the lower port of the main pipeline is sealed, and then seal the upper sealing cover to ensure that the oil and water in the main pipeline do not leak, and take out the sampling device; Slowly pour the oil and water in the sampling device into the oil and water measuring device to ensure that all the oil and water are poured in, stand until the oil and water are stratified, and then read the water volume layer and the oil volume layer in the transparent glass container through the scale line: V1, V2; According to the measured V1 and V2, and since there is a base under the main pipeline, the result is corrected accordingly. The inner diameter of the main pipeline is D, and the distance from the bottom of the main pipeline to the bottom of the base is H1, then the finally obtained oil content is: .

[0013] A further improvement lies in that samples are taken 2 to 4 times according to the above steps for calculation respectively, and finally the average value is taken.

[0014] The beneficial effects of the present invention are as follows: 1. The present invention samples by hoisting the sampling device into the cabin, seals the lower port of the main pipeline by tightening the lower sealing cover through the lifting device, and then seals the upper sealing cover, thus completing the sampling. The sampled oil and water are poured into the oil and water measuring device, and the scales of the water volume layer and the oil volume layer can be read through the scale line. Therefore, according to this scale, the inner diameter of the main pipeline, and the distance from the bottom of the main pipeline to the bottom of the base, combined with the algorithm, the oil content can be obtained, realizing rapid and accurate measurement, and providing strong technical support for marine oil spill emergency treatment.

[0015] 2. The main structure adopted by the present invention is the main pipeline and the transparent glass container, which have low operation process requirements, low cost, and are convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the sampling device of the present invention; Figure 2 of the present invention Figure 1 Schematic diagram of the structure at position A in; Figure 3 of the present invention Figure 1 Schematic diagram of the structure at position B in; Figure 4 It is a schematic diagram of the oil-water determination device of the present invention.

[0017] Wherein: 1. Main pipeline; 2. Upper sealing cover; 3. Lower sealing cover; 4. Lifting device; 5. Transparent glass container; 6. Scale line; 7. Steel wire rope; 8. Suspension ear; 9. Base; 10. Water volume layer; 11. Oil volume layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In order to deepen the understanding of the present invention, the following will further elaborate on the present invention in combination with embodiments. These embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention. Embodiment 1

[0019] According to Figure 1 , 2 , as shown in Figures 3 and 4, this embodiment proposes a rapid oil content determination system for the oil-contaminated water in a sunken ship after it enters the cabin, including a sampling device and an oil-water determination device. The sampling device includes a main pipeline 1 and a lifting device 4. The main pipeline 1 is used for sampling, and an upper sealing cover 2 is provided above the main pipeline 1. A lower sealing cover 3 is elastically movably provided below the main pipeline 1. The lifting device 4 is provided above one side of the main pipeline 1, and the lifting end of the lifting device 4 is connected to the lower sealing cover 3; The oil-water measurement device includes a transparent glass container 5 and a scale line 6. The transparent glass container 5 is used to hold the sample, and the scale line 6 is provided on one side of the transparent glass container 5. During use, according to the actual situation of the oil-contaminated sewage entering the cabin of the sunken ship, adjust the length of the main pipeline 1 appropriately. Slowly hoist the sampling device into the cabin and let it stand for N minutes to ensure that the oil-water in the pipeline is at the same level as the oil-water level in the cabin. Start the lifting device 4 to tighten the lower sealing cover 3 so that the lower port of the main pipeline 1 is sealed, and then seal the upper sealing cover 2 to ensure that the oil-water in the main pipeline 1 does not leak. Take out the sampling device; slowly pour the oil-water in the sampling device into the oil-water measurement device, ensure that all the oil-water is poured in completely, and after standing for the oil and water to separate, read the water volume layer 10 and the oil volume layer 11 in the transparent glass container 5 through the scale line 6: V1, V2; according to the measured V1, V2, and since there is a base 9 under the main pipeline 1, the result is corrected accordingly. The inner diameter of the main pipeline 1 is D, and the distance from the bottom of the main pipeline 1 to the bottom of the base 9 is H1. The oil content is finally obtained according to the algorithm.

[0020] The middle part of the main pipeline 1 is composed of detachable multi-section pipe bodies, which are used to be spliced into an appropriate length according to different cabin depths. The inner wall of the main pipeline 1 is coated with an oil-repellent and water-repellent coating. The detachable multi-section design facilitates flexible splicing according to the depths of different sunken ship cabins, adapts to various working conditions, and its internal oil-repellent and water-repellent coating can effectively reduce the adhesion and residue of oil-contaminated sewage, ensuring the purity of the sample. A sealed and easily detachable splicing connection structure is adopted between the detachable multi-sections. The material of the main pipeline 1 is polytetrafluoroethylene.

[0021] The lower sealing cover 3 is hinged at the lower end of the main pipeline 1, and an automatic return spring is equipped at the hinge for driving the lower sealing cover 3 to open. The elastic force of the automatic return spring of the lower sealing cover 3 satisfies that it can quickly drive the lower sealing cover 3 to open after the lifting steel wire rope 7 is released.

[0022] The lifting device 4 includes a motor and a steel wire rope 7. The steel wire rope 7 is wound around the output end of the motor, and the lower end of the steel wire rope 7 is connected to the lower sealing cover 3. The motor has an adjustable torque output for controlling the tensioning force of the steel wire rope 7 so that the lower sealing cover 3 seals the lower end of the main pipeline 1.

[0023] Lifting lugs 8 are provided above both sides of the main pipeline 1, and the lifting lugs 8 are used to connect the hoisting device for hoisting and lowering. It is used to hoist and lower the entire device.

[0024] The bottom of the main pipeline 1 is provided with a base 9, and the base 9 is used to place the main pipeline 1 stably and provide a space for the free flipping of the lower sealing cover 3. The base 9 provides stable support for the entire device and facilitates the flexible opening and closing of the lower sealing cover 3.

[0025] The sample contained in the transparent glass container 5 is stratified into a water volume layer 10 and an oil volume layer 11. The oil volume layer 11 is located above the water volume layer 10. The scale line 6 is used to read the scales of the water volume layer 10 and the oil volume layer 11. The transparent glass container 5 is used to visually present the oil-water stratification state, and the sampling device accurately extracts the sample. The two cooperate to achieve the key steps of oil content determination. Example Two

[0026] According to Figure 1 、 2 As shown in 3 and 4, this embodiment proposes a method for quickly determining the oil content after sunken ship oil sewage enters the cabin, including the following steps: Sampling step: According to the actual situation of sunken ship oil sewage entering the cabin, adjust the length of the main pipeline 1 appropriately, slowly hoist the sampling device into the cabin, and let it stand for 5 minutes to ensure that the oil and water in the pipeline are at the same level as the oil and water level in the cabin. Start the lifting device 4 to tighten the lower sealing cover 3 so that the lower port of the main pipeline 1 is sealed, and then seal the upper sealing cover 2 to ensure that the oil and water in the main pipeline 1 do not leak, and then take out the sampling device; Detection step: Slowly pour the oil and water of the sampling device into the oil-water determination device, ensure that all the oil and water are poured in, and after standing for the oil-water to stratify, read the water volume layer 10 and the oil volume layer 11 in the transparent glass container 5 through the scale line 6: V1, V2; Data processing step: According to the measured V1 and V2, and since there is a base 9 under the main pipeline 1, the result is corrected accordingly. The inner diameter of the main pipeline 1 is D, and the distance from the bottom of the main pipeline 1 to the bottom of the base 9 is H1. Then the finally obtained oil content is: .

[0027] To ensure the accuracy of the result, sample 3 times according to the above steps and calculate respectively, and finally take the average value.

[0028] In the present invention, the sampling device is hoisted into the cabin for sampling. The lower sealing cover is tightened by the lifting device 4 to seal the lower port of the main pipeline 1, and then the upper sealing cover 2 is sealed to complete the sampling. The sampled oil and water are poured into the oil-water determination device, and the scales of the water volume layer 10 and the oil volume layer 11 can be read through the scale line 6. Thus, according to this scale, the inner diameter of the main pipeline 1, and the distance from the bottom of the main pipeline 1 to the bottom of the base 9, and in cooperation with the algorithm, the oil content can be obtained, realizing rapid and accurate determination, providing strong technical support for marine oil spill emergency treatment. At the same time, the main structures adopted in the present invention are the main pipeline 1 and the transparent glass container 5, with low operating process requirements, low cost, and convenient use.

[0029] The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid oil content determination system for bilge water after sunken ship oil sewage enters the cabin, comprising a sampling device and an oil-water determination device, characterized in that: The sampling device includes a main pipeline (1) and a lifting device (4). The main pipeline (1) is used for sampling, and an upper sealing cover (2) is provided above the main pipeline (1). A lower sealing cover (3) is elastically and movably provided below the main pipeline (1). The lifting device (4) is arranged above one side of the main pipeline (1), and the lifting end of the lifting device (4) is connected to the lower sealing cover (3). The oil-water determination device includes a transparent glass container (5) and scale lines (6). The transparent glass container (5) is used to hold the sample, and the scale lines (6) are arranged on one side of the transparent glass container (5).

2. The rapid oil content determination system for bilge water after sunken ship oil sewage enters the cabin according to claim 1, characterized in that: The middle part of the main pipeline (1) is composed of detachable multi-section pipe bodies, which are used to be spliced into a suitable length according to different cabin depths. The inner wall of the main pipeline (1) is coated with an oil-repellent and water-repellent coating.

3. The rapid oil content determination system for bilge water of sunken ships after entering the cabin according to claim 1, characterized in that: The lower sealing cover (3) is hinged at the lower end of the main pipeline (1), and an automatic return spring is equipped at the hinge for driving the lower sealing cover (3) to open.

4. A rapid oil content determination system for bilge water of sunken ships after it enters the cabin according to claim 1, characterized in that: The lifting device (4) includes a motor and a steel wire rope (7). The steel wire rope (7) is wound around the output end of the motor, and the lower end of the steel wire rope (7) is connected to the lower sealing cover (3).

5. A rapid determination system for the oil content after the oil-contaminated sewage of a sunken ship enters the cabin according to claim 4, characterized in that: The motor has adjustable torque output for controlling the tension of the steel wire rope (7) so that the lower sealing cover (3) seals the lower end of the main pipeline (1).

6. The rapid oil content determination system for bilge water of sunken ships after entering the cabin according to claim 1, characterized in that: Lifting lugs (8) are provided above both sides of the main pipeline (1), and the lifting lugs (8) are used to connect a lifting device for hoisting and lowering.

7. A rapid determination system for the oil content after the oil-contaminated water from a sunken ship enters the cabin according to claim 1, characterized in that: A base (9) is provided at the bottom of the main pipeline (1), and the base (9) is used to place the main pipeline (1) stably and provide a space for the lower sealing cover (3) to freely turn over.

8. A rapid oil content determination system for bilge water after sunken ship oil sewage enters the cabin according to claim 1, characterized in that: The sample held in the transparent glass container (5) is stratified into a water volume layer (10) and an oil volume layer (11). The oil volume layer (11) is located above the water volume layer (10). The scale lines (6) are used to read the scales of the water volume layer (10) and the oil volume layer (11).

9. A method for rapidly measuring the oil content after the oil-contaminated sewage of a sunken ship enters the cabin, which applies a rapid oil content measurement system for the oil-contaminated sewage of a sunken ship after it enters the cabin according to any one of the above claims 1-8, characterized in that, It includes the following steps: According to the actual situation of the oil-contaminated sewage entering the cabin of the sunken ship, adjust the length of the appropriate main pipeline (1). Slowly hoist the sampling device into the cabin, stand still for N minutes to ensure that the oil and water in the pipe are at the same level as the oil and water surface in the cabin. Start the lifting device (4) to tighten the lower sealing cover (3) so that the lower port of the main pipeline (1) is sealed, and then seal the upper sealing cover (2) to ensure that the oil and water in the main pipeline (1) do not leak. Take out the sampling device. Slowly pour the oil and water in the sampling device into the oil-water determination device to ensure that all the oil and water are poured in. After standing still and waiting for the oil and water to stratify, read the water volume layer (10) and the oil volume layer (11) in the transparent glass container (5) through the scale lines (6): V1, V2. According to the measured V1 and V2, and since there is a base (9) placed under the main pipeline (1), the result is corrected accordingly. The inner diameter of the main pipeline (1) is D, and the distance from the bottom of the main pipeline (1) to the bottom of the base (9) is H1. Then the finally obtained oil content is as follows: .

10. A method for rapidly measuring the oil content after the oil-contaminated sewage of a sunken ship enters the cabin according to claim 9, characterized in that: Sample 2 - 4 times according to the above steps and calculate respectively, and finally take the average value.

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