Liquid collecting well device of liquid cargo ship

By using the inner bottom plate as the tire frame in the liquid cargo ship's liquid collecting well device, designing a broken-line enclosure structure and special coating treatment, the processing difficulties of stainless steel materials were solved, and a low-cost and efficient residual liquid collection effect was achieved, meeting the regulatory requirements and improving the anti-rust and anti-corrosion performance.

CN223371072UActive Publication Date: 2025-09-23江苏新扬子造船有限公司
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Patent Information

Application Number
CN202422732395.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-09-23
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

The existing liquid cargo ship liquid collecting well device is made of stainless steel, which has the problems of difficult processing, high cost and difficult to control welding precision.

Method used

The inner bottom plate of the liquid collecting well body at the suction port of the filling pump is used as the tire frame. The top plate assembly and bottom plate assembly of the liquid collecting well are designed as broken line panels. The bottom plate is set at an angle to form the lowest area for liquid cargo accumulation, ensuring that the residual liquid volume does not exceed 75L. Special coating is used to prevent rust and corrosion.

Benefits of technology

It reduces production costs, simplifies the processing process, improves welding accuracy, ensures that the residual liquid volume meets the specification requirements, and has good anti-rust and anti-corrosion properties.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223371072U_ABST
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Abstract

The utility model relates to a liquid cargo ship liquid collecting well device which comprises a liquid collecting well body, the liquid collecting well body is built with an inner bottom plate at a suction port of a filling pump as a jig frame, and the liquid collecting well body comprises a liquid collecting well top plate assembly, a liquid collecting well bottom plate assembly, a liquid collecting well side sealing plate and a liquid collecting well end sealing plate. The liquid collecting well bottom plate assembly is arranged below the liquid collecting well top plate assembly, and the front side of the liquid collecting well top plate assembly is connected with a liquid collecting well side sealing plate; the broken line of the liquid collecting well bottom plate assembly is arranged in an inclined mode, the area above the second bottom plate is the lowest liquid cargo gathering area, and the amount of all residual liquid does not exceed 75 L. According to the utility model, the liquid collecting well with a structure coaming type is designed at the filling port of the liquid cargo pump at the tail part of each liquid cargo tank, and the bottom plate is inclined and has a lowest gathering area, so that the residual liquid quantity is ensured to be lower than 75L, the manufacturing cost is low, and the processing and the manufacturing are convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of ship construction, in particular to a liquid collecting well device for a liquid cargo ship. Background Art

[0002] In the design of liquid cargo ships, oil tankers, and chemical tankers, to meet the regulatory requirement that residual liquid in the cargo tank should not exceed 75L, a simple liquid collection well must be designed at the filling pump suction port to collect the residual liquid in the entire cargo tank. The current solution is mostly to directly machine stainless steel plates to form a pot bottom arc shape. This type of design is a conventional oil tanker design and has the following drawbacks:

[0003] (1) Stainless steel is expensive, hard, and difficult to process. Shipyards need to find specialized outsourcing factories for processing or purchase finished products directly from manufacturers.

[0004] (2) The welding requirements for stainless steel and hull steel plates are high and the precision is difficult to control, which affects the production progress. Summary of the Invention

[0005] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide a liquid cargo ship liquid collecting well device to replace the stainless steel type liquid collecting well in the prior art.

[0006] The purpose of this utility model is achieved in this way:

[0007] A liquid cargo ship liquid collection well device, comprising a liquid collection well body, the liquid collection well body being constructed with the inner bottom plate at the filling pump suction port as a tire frame, the liquid collection well body comprising a liquid collection well top plate assembly, a liquid collection well bottom plate assembly, liquid collection well side sealing plates, and liquid collection well end sealing plates, the liquid collection well bottom plate assembly being arranged below the liquid collection well top plate assembly, and the liquid collection well side sealing plates being connected to the front side of the liquid collection well top plate assembly;

[0008] The liquid collection well top plate assembly includes a first top plate, a second top plate, a third top plate and a fourth top plate, which are respectively arranged at the two ends of the three inner bottom plates, the right end of the first top plate and the left end of the second top plate are arranged below the two ends of the first inner bottom plate, the right end of the second top plate and the left end of the third top plate are arranged below the two ends of the second inner bottom plate, and the right end of the third top plate and the left end of the fourth top plate are arranged at the two ends of the second inner bottom plate; a watertight rib is provided below the first top plate, and the bottom surface of the first top plate is vertically welded to the top surface of the watertight rib; a liquid collection well end sealing plate is provided below the fourth top plate, and the fourth top plate is vertically connected to the liquid collection well end sealing plate;

[0009] The liquid collection well bottom plate assembly includes a broken-line enclosure consisting of a first bottom plate, a second bottom plate, a third bottom plate and a fourth bottom plate, which are sequentially arranged between the watertight ribs and the end sealing plate of the liquid collection well; the broken line of the liquid collection well bottom plate assembly is inclined so that the area above the second bottom plate is the lowest area for liquid cargo accumulation, so that the total residual liquid volume does not exceed 75L.

[0010] Furthermore, the angle between the left end of the first bottom plate and the watertight rib is 102°.

[0011] Furthermore, the angle between the first bottom plate and the second bottom plate is 168°.

[0012] Furthermore, the angle between the second bottom plate and the third bottom plate is 159°.

[0013] Furthermore, the angle between the third bottom plate and the fourth bottom plate is 161°.

[0014] Furthermore, the angle between the fourth bottom plate and the sealing plate at the end of the liquid collection well is 88°.

[0015] Furthermore, a temporary passage hole is provided on the second inner bottom plate between the second top plate and the third top plate, and a temporary passage hole is provided on the third inner bottom plate between the third top plate and the fourth top plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model provides a liquid collecting well device for a liquid cargo ship. A liquid collecting well of the type of a structural coaming is designed at the filling port of a liquid cargo pump at the rear of each liquid cargo tank. The top plate assembly is constructed with an inner bottom plate as a tire frame. The bottom plate assembly is a broken-line coaming composed of multiple bottom plates. The bottom plates are inclined and have a minimum gathering area to ensure that the residual liquid volume is less than 75L. The device replaces the stainless steel type liquid collecting well in the prior art, has low production cost, is easy to process and manufacture, and is later treated with a special coating to prevent rust and corrosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is the main view of the present utility model.

[0019] Figure 2 It is a structural diagram of the present utility model.

[0020] Figure 3 This is a structural schematic diagram of the utility model from another angle.

[0021] Figure 4 for Figure 1 A partial enlarged view of point A.

[0022] Figure 5 for Figure 2A partial enlarged view of point B.

[0023] Figure 6 for Figure 3 A partial enlarged view of point C.

[0024] Figure 7 for Figure 4 A partial enlarged view of point D.

[0025] Figure 8 for Figure 1 A partial enlarged view of point E.

[0026] Figure 9 This is an application diagram of the utility model.

[0027] in:

[0028] Liquid collecting well body 1, liquid collecting well top plate assembly 2, first top plate 2.1, second top plate 2.2, third top plate 2.3, fourth top plate 2.4, liquid collecting well bottom plate assembly 3, first bottom plate 3.1, second bottom plate 3.2, third bottom plate 3.3, fourth bottom plate 3.4, liquid collecting well side sealing plates 4, liquid collecting well end sealing plates 5, watertight ribs 6, lowest liquid cargo accumulation area 7, and inner bottom plate 8. DETAILED DESCRIPTION

[0029] To better understand the technical solution of the present invention, the following detailed description is provided with reference to the relevant illustrations. It should be understood that the following specific embodiments are not intended to limit the specific implementation of the technical solution of the present invention; they are merely examples of possible implementations of the technical solution of the present invention. It should be noted that the description herein of the positional relationships of the various components, such as component A being located above component B, is based on the relative positions of the components in the illustrations and is not intended to limit the actual positional relationships of the components. Example 1

[0030] See also Figures 1-8 , Figure 1 The front view of the present invention is shown. As shown in the figure, the present invention relates to a liquid cargo ship liquid collection well device, comprising a liquid collection well body 1, constructed with an inner bottom plate 8 at the filling pump suction port as a frame. The liquid collection well body 1 comprises a liquid collection well top plate assembly 2, a liquid collection well bottom plate assembly 3, liquid collection well side sealing plates 4, and liquid collection well end sealing plates 5. The liquid collection well bottom plate assembly 3 is disposed below the liquid collection well top plate assembly 2, and the liquid collection well side sealing plates 4 are connected to the front side of the liquid collection well top plate assembly 2.

[0031] The liquid collecting well top plate assembly 2 includes a first top plate 2.1, a second top plate 2.2, a third top plate 2.3 and a fourth top plate 2.4, which are respectively arranged at the two ends of the three inner bottom plates 8, the right end of the first top plate 2.1 and the left end of the second top plate 2.2 are arranged below the two ends of the first inner bottom plate 8, the right end of the second top plate 2.2 and the left end of the third top plate 2.3 are arranged below the two ends of the second inner bottom plate 8, and the right end of the third top plate 2.3 and the left end of the fourth top plate 2.4 are arranged at the two ends of the second inner bottom plate 8; a watertight rib 6 is provided below the first top plate 2.1, and the bottom surface of the first top plate 2.1 is vertically welded to the top surface of the watertight rib 6; a liquid collecting well end sealing plate 5 is provided below the fourth top plate 2.4, and the fourth top plate 2.4 is vertically connected to the liquid collecting well end sealing plate 5.

[0032] The liquid collection well bottom plate assembly 3 includes a broken line enclosure consisting of a first bottom plate 3.1, a second bottom plate 3.2, a third bottom plate 3.3 and a fourth bottom plate 3.4. The first bottom plate 3.1, the second bottom plate 3.2, the third bottom plate 3.3 and the fourth bottom plate 3.4 are sequentially arranged between the watertight rib 6 and the liquid collection well end sealing plate 5.

[0033] The angle between the left end of the first bottom plate 3.1 and the watertight rib 6 is 102°, the angle between the first bottom plate 3.1 and the second bottom plate 3.2 is 168°, the angle between the second bottom plate 3.2 and the third bottom plate 3.3 is 159°, the angle between the third bottom plate 3.3 and the fourth bottom plate 3.4 is 161°, and the angle between the fourth bottom plate 3.4 and the end cover plate 5 of the liquid collection well is 88°.

[0034] The area above the second bottom plate 3.2 is the lowest liquid cargo gathering area 7. The inclination angle of the broken line of the liquid collection well bottom plate assembly 3 is designed to ensure that the liquid in the liquid cargo well is gathered at the lowest point so that the total residual liquid volume does not exceed 75L.

[0035] A temporary passage hole is provided on the second inner bottom plate 8 between the second top plate 2.2 and the third top plate 2.3, and a temporary passage hole is provided on the third inner bottom plate 8 between the third top plate 2.3 and the fourth top plate 2.4.

[0036] Working principle:

[0037] The utility model provides a welding installation method for a liquid cargo ship liquid collecting well device as follows:

[0038] (1) Welding between the top plate assembly of the liquid collecting well and the inner bottom plate: The corresponding sections are constructed with the inner bottom plate as the frame. When the inner bottom plate is turned upside down, the corresponding fillet welds of the manhole belly ring in the ballast tank are installed, and the welds on the inner bottom plate are welded after turning over.

[0039] (2) Liquid collection well end sealing plate: Weld and install the ribs, longitudinal girders, front sealing plates around the oil suction well and the elbow plates inside the liquid collection well.

[0040] (3) Install the liquid collection well sealing plate and the ribs welded to the sealing plate.

[0041] (4) When the sections are turned over and in the normal state, the welds inside the oil suction well and the fillet welds on the upper surface of the inner bottom and the middle manhole seat plate used for maintenance are welded. Since they will be used again during the coating process of the liquid collection well and the space here is limited, the inflation test can be carried out after the liquid collection well is formed.

[0042] The above are only specific application examples of the present invention and do not constitute any limitation on the scope of protection of the present invention. Any technical solution formed by equivalent transformation or equivalent replacement shall fall within the scope of protection of the present invention.

Claims

1. A liquid collecting well device for a liquid cargo ship, characterized in that: It comprises a liquid collecting well body (1), the liquid collecting well body (1) being constructed with an inner bottom plate (8) at a filling pump suction port as a tire frame, the liquid collecting well body (1) comprising a liquid collecting well top plate assembly (2), a liquid collecting well bottom plate assembly (3), a liquid collecting well side sealing plate (4) and a liquid collecting well end sealing plate (5), the liquid collecting well bottom plate assembly (3) being arranged below the liquid collecting well top plate assembly (2), and the front side of the liquid collecting well top plate assembly (2) being connected to the liquid collecting well side sealing plate (4); The liquid collecting well top plate assembly (2) comprises a first top plate (2.1), a second top plate (2.2), a third top plate (2.3) and a fourth top plate (2.4), which are respectively arranged at the two ends of the three inner bottom plates (8), the right end of the first top plate (2.1) and the left end of the second top plate (2.2) being arranged below the two ends of the first inner bottom plate (8), and the right end of the second top plate (2.2) and the left end of the third top plate (2.3) being arranged on the second inner bottom plate (8). The right end of the third top plate (2.3) and the left end of the fourth top plate (2.4) are arranged at the two ends of the second inner bottom plate (8); a watertight rib (6) is provided below the first top plate (2.1), and the bottom surface of the first top plate (2.1) is vertically welded to the top surface of the watertight rib (6); a liquid collecting well end sealing plate (5) is provided below the fourth top plate (2.4), and the fourth top plate (2.4) is vertically connected to the liquid collecting well end sealing plate (5); The liquid collecting well bottom plate assembly (3) comprises a broken line enclosure consisting of a first bottom plate (3.1), a second bottom plate (3.2), a third bottom plate (3.3) and a fourth bottom plate (3.4), wherein the first bottom plate (3.1), the second bottom plate (3.2), the third bottom plate (3.3) and the fourth bottom plate (3.4) are sequentially arranged between the watertight ribs (6) and the end sealing plate (5) of the liquid collecting well; the broken line of the liquid collecting well bottom plate assembly (3) is arranged obliquely, so that the area above the second bottom plate (3.2) becomes the lowest liquid cargo gathering area (7), so that the total residual liquid volume does not exceed 75L.

2. The liquid collecting well device of a liquid cargo ship according to claim 1, characterized in that: The angle between the left end of the first bottom plate (3.1) and the watertight rib (6) is 102°.

3. The liquid collecting well device of a liquid cargo ship according to claim 1, characterized in that: The included angle between the first bottom plate (3.1) and the second bottom plate (3.2) is 168°.

4. The liquid collecting well device of a liquid cargo ship according to claim 1, characterized in that: The included angle between the second bottom plate (3.2) and the third bottom plate (3.3) is 159°.

5. The liquid collecting well device of a liquid cargo ship according to claim 1, characterized in that: The included angle between the third bottom plate (3.3) and the fourth bottom plate (3.4) is 161°.

6. The liquid collecting well device of a liquid cargo ship according to claim 1, characterized in that: The angle between the fourth bottom plate (3.4) and the end sealing plate (5) of the liquid collection well is 88°.

7. The liquid cargo ship liquid collecting well device according to claim 1, characterized in that: A temporary passage hole is provided on the second inner bottom plate (8) between the second top plate (2.2) and the third top plate (2.3), and a temporary passage hole is provided on the third inner bottom plate (8) between the third top plate (2.3) and the fourth top plate (2.4).