CN216185863U - Chemical tanker liquid cargo system - Google Patents
Chemical tanker liquid cargo system Download PDFInfo
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- CN216185863U CN216185863U CN202122130269.XU CN202122130269U CN216185863U CN 216185863 U CN216185863 U CN 216185863U CN 202122130269 U CN202122130269 U CN 202122130269U CN 216185863 U CN216185863 U CN 216185863U
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Abstract
The invention provides a liquid cargo system of a chemical carrier, which comprises a first cabin discharge pump, wherein liquid cargo in the first cabin is discharged to the first cabin through a first cabin discharge pipeline and is discharged to the outboard through a shore connection pipeline. The liquid cargo in the first cabin can be discharged into the dirty oil cabin or into the second cabin. A cabin leads to the bank pipeline and leads to bank main line and No. two cabins and leads to the bank pipeline and become regular triangle, and the three can connect through crossover sub, and crossover sub adopts the loose flange form, conveniently is connected with leading to the bank pipeline. The shore connection area is provided with a shore connection operation platform, the first cabin shore connection pipeline is provided with a shore connection relief valve, residual liquid cargos in the pipeline are discharged into the shore connection oil receiving groove, and the shore connection pipeline blow-off valve is arranged and used for blowing off residual liquid cargos in the pipeline. The invention reduces the difficulty of pipeline arrangement in the shore area, avoids goods pollution or explosion accidents, reduces the probability of polluting marine environment, reduces construction cost and improves the quality of ships.
Description
Technical Field
The invention relates to the technical field of ship design and construction, in particular to improvement of a chemical tanker liquid cargo system.
Background
The liquid cargo system is a main system of a cargo hold of the chemical carrier, and has the main functions of discharging liquid cargo in the cargo hold to a shore station or discharging residual liquid cargo in the cargo hold to a dirty oil tank for processing according to needs, or discharging liquid cargo in a certain cargo hold to another cargo hold according to functional needs. In order to realize the functions, the functions are mainly realized through pipeline connection of a shore passing area. Conventional design is for realizing through the valve switching, but must use bivalve isolation design according to the chemical boat requirement, because it is more to lead to the complicated pipeline of bank district structure, use the bivalve to keep apart and arrange the difficulty, the isolation valve is expensive, on the other hand, valve operation causes the maloperation easily, lead to liquid goods to arrange to the non-target under-deck, because the chemical boat allows to load multiple goods, arrange to the non-target under-deck and can cause the goods to pollute, light person loses the goods, heavy person takes place chemical reaction, cause incident such as explosion, not only cause economic loss, and pollute marine environment.
Disclosure of Invention
The invention provides a chemical product ship liquid cargo system by utilizing a shore connection adapter and a pipeline layout, aiming at the complaint defects of the existing liquid cargo system design of a chemical product ship, and the chemical product ship liquid cargo system comprises a first cabin discharge pipeline extending into a first cabin, a first cabin shore connection pipeline which is vertical to the first cabin discharge pipeline and is communicated with the first cabin shore connection pipeline, a transverse main pipeline and a second cabin shore connection pipeline which are respectively arranged in parallel with the first cabin shore connection pipeline, wherein the left side of the transverse main pipeline is connected into a longitudinal port main pipeline through a branch pipe with a transverse port main pipeline connection valve, and the right side of the transverse main pipeline is connected into a longitudinal starboard main pipeline through a branch pipe with a transverse starboard main pipeline connection valve. A first cabin port shore connection valve and a first cabin starboard shore connection valve are respectively arranged on the left side and the right side of the first cabin shore connection pipeline. And a transverse port main pipeline discharge valve and a transverse starboard main pipeline discharge valve are respectively arranged on the left side and the right side of the transverse main pipeline. And a second tank port shore connection valve and a second tank starboard shore connection valve are respectively arranged on the left side and the right side of the second tank shore connection pipeline.
The chemical tanker liquid cargo system further comprises a transverse pipe connected with the longitudinal port main pipeline and the longitudinal starboard main pipeline, a sump oil tank injection pipeline with one end communicated with the transverse pipe and the other end communicated into the sump oil tank, and a second tank injection pipeline communicated with the second tank shore connection pipeline and the second tank. And the first cabin shore connection pipeline, the transverse main pipeline and the second cabin shore connection pipeline are equal in distance, and ends on the same side of any two pipelines are respectively communicated through conversion joints.
Preferably, the adapter comprises an adapter short pipe with adapter flange lining plates at two ends, an adapter loose flange plate arranged on the periphery of the adapter flange lining plate, and adapter lifting lugs arranged on two sides of the adapter short pipe.
Preferably, shore connection operation platforms for adjusting valves mounted on the first cabin shore connection pipeline and the transverse main pipeline are respectively arranged in shore connection areas on the left side and the right side of the ship.
Preferably, the first cabin shore connection pipeline is provided with a shore connection pipeline blow-off valve in front of the first cabin starboard shore connection valve, and a shore connection relief valve is arranged behind the first cabin starboard shore connection valve, and the shore connection pipeline blow-off valve and the shore connection relief valve discharge residual liquid cargos in the pipeline between the first cabin starboard shore connection valve and the shore connection relief valve into a shore connection oil tank through connecting a purging medium.
Preferably, the first cabin discharge pipeline extends into the first cabin and then is connected with the first cabin discharge pump.
The chemical cargo ship liquid cargo system realizes the function of the chemical cargo ship liquid cargo system, solves the problems that in the conventional unloading process, due to misoperation, liquid cargo is discharged into a non-target cabin, so that cargo pollution or explosion accidents are caused, and the probability of polluting the marine environment is reduced.
Drawings
Fig. 1 is a schematic view showing the arrangement of piping of a chemical tanker liquid cargo system according to the present invention.
FIG. 2 is a schematic diagram of a chemical tanker liquidcargo system of the present invention landing a shore;
fig. 3 is a schematic diagram of the arrangement position of the shore-closing adapter of the chemical tanker liquid cargo system of the invention.
Fig. 4 is a schematic front view of a chemical tanker liquid cargo system adapter according to the present invention.
Fig. 5 is a schematic side view showing the configuration of the chemical tanker liquid cargo system adapter of the present invention.
Wherein: 1 is a conversion joint, 101 is a conversion joint flange lining plate, 102 is a conversion joint loose flange plate, 103 is a conversion joint short pipe, 104 is a conversion joint lifting lug, 2 is a first cabin open shore pipeline, 3 is a transverse main pipeline, 4 is a second cabin open shore pipeline, 5 is a longitudinal port main pipeline, 6 is a longitudinal starboard main pipeline, 7 is a first cabin discharge pipeline, 8 is a second cabin injection pipeline, 9 is a dirty oil cabin injection pipeline, 10 is a first cabin discharge pump, 11 is a first cabin discharge valve, 12 is a first cabin starboard open shore valve, 13 is a transverse starboard main pipeline connecting valve, 14 is a second cabin starboard open shore valve, 15 is a transverse starboard main pipeline discharge valve, 16 is a first cabin port open shore valve, 17 is a transverse port main pipeline connecting valve, 18 is a transverse port main pipeline discharge valve, 19 is a second cabin port open shore valve, 20 is a dirty oil cabin injection valve, 21 is a second cabin injection valve, the valve 22 is a land-discharge valve,
Detailed Description
Example (b):
as shown in fig. 1, a chemical tanker liquid cargo system comprises a first cabin discharge pipeline 7 extending into a first cabin B, a first cabin landing pipeline 2 perpendicular to and communicated with the first cabin discharge pipeline 7, a transverse main pipeline 3 and a second cabin landing pipeline 4 which are respectively arranged in parallel with the first cabin landing pipeline 2, wherein the left side of the transverse main pipeline 3 is connected to a longitudinal port main pipeline 5 through a branch pipe with a transverse port main pipeline connecting valve 17, and the right side of the transverse main pipeline 3 is connected to a longitudinal starboard main pipeline 6 through a branch pipe with a transverse starboard main pipeline connecting valve 13. The first cabin discharge pipeline 7 extends into the first cabin B and then is connected with a first cabin discharge pump 10. A first cabin discharge pump 10 is arranged to discharge liquid cargos in the first cabin B to the first cabin shore connection pipeline 2 to the outside through a first cabin discharge pipeline 7.
A first cabin port shore connection valve 16 and a first cabin starboard shore connection valve 12 are respectively arranged on the left side and the right side of the first cabin shore connection pipeline 2; as shown in fig. 2, shore access operation platforms F for adjusting valves mounted on the first tank shore access pipeline 2 and the transverse main pipeline 3 are respectively disposed in the shore access areas on the left and right sides of the ship. First cabin logical bank pipeline 2 is in set up logical bank pipeline blow-off valve 23 before the valve of a cabin starboard logical bank valve 12, set up logical bank bleeder valve 22 behind the valve of a cabin starboard logical bank valve 12, logical bank pipeline blow-off valve 23 with it sweeps in the pipeline between the two to lead to the bank bleeder valve 22 and arrange to leading to the bank and connect the oil groove E through inserting the medium.
A transverse port main pipeline discharge valve 18 and a transverse starboard main pipeline discharge valve 15 are respectively arranged at the left side and the right side of the transverse main pipeline 3;
a second cabin port shore connection valve 19 and a second cabin starboard shore connection valve 14 are respectively arranged on the left side and the right side of the second cabin shore connection pipeline 4; according to the needs, liquid cargo in the first cabin B can also be discharged into the dirty oil cabin A or into the second cabin C, and the scheme of discharging into the dirty oil cabin A is as follows:
discharging liquid cargo in the first cabin B to a first cabin landing pipeline 2 through a first cabin discharge pipeline 7, discharging the liquid cargo into a transverse main pipeline 3 through a conversion joint 1, and discharging the liquid cargo into a dirty oil cabin A through a longitudinal starboard main pipeline 6 or a port main pipeline 5 and a dirty oil cabin injection pipeline 9;
the scheme of arranging in the second cabin C is as follows:
liquid cargo in the first cabin B is discharged to a first cabin shore connection pipeline 2 through a first cabin discharge pipeline 7, is discharged to a second cabin shore connection pipeline 4 through a conversion joint 1, and is discharged to a second cabin C through a second cabin injection pipeline 8;
in the process, the valves of the liquid cargo path are opened and other valves are closed according to the requirements.
According to special requirements of the chemical tanker, all pipeline systems are made of stainless steel SUS316L, so that the service life of the components is prolonged, and the components are suitable for goods carried by the chemical tanker;
the chemical tanker liquid cargo system also comprises a transverse pipe connected with the longitudinal port main pipeline 5 and the longitudinal starboard main pipeline 6, a sump oil tank injection pipeline 9 with one end communicated with the transverse pipe and the other end communicated into the sump oil tank A, and a second tank injection pipeline 8 communicated with the second tank shore connection pipeline 4 and the second tank C;
and the first cabin shore connection pipeline 2, the transverse main pipeline 3 and the second cabin shore connection pipeline 4 are equal in distance, and ends on the same side of any two pipelines are respectively communicated through a conversion joint 1. As shown in fig. 4 to 5, the adapter 1 includes an adapter short tube 103 having adapter flange lining plates 101 at two ends, an adapter loose flange 102 disposed on the periphery of the adapter flange lining plate 101, and adapter lifting lugs 104 disposed on two sides of the adapter short tube 103.
As shown in fig. 2, a cabin landing pipeline 2 is arranged below a main pipeline 3, and can be connected at a landing position through a conversion joint 1;
a shore connection operation platform F is arranged in the shore connection area, and a first cabin starboard shore connection valve 12 and a transverse starboard main pipeline discharge valve 15 can be operated;
the first cabin shore connection pipeline 2 is provided with a shore connection relief valve 22 for discharging residual liquid cargos in the pipeline into the shore connection oil receiving groove E, and a shore connection pipeline blow-off valve 23 for blowing off the residual liquid cargos in the pipeline.
As shown in fig. 3, the cross section of a first cabin shore-connecting pipeline 2, a shore-connecting main pipeline 3 and a second cabin shore-connecting pipeline 4 is included, the three are positioned in a regular triangle, the linear distance L between the first cabin shore-connecting pipeline, the transverse main pipeline and the second cabin shore-connecting pipeline is 600 mm, the three can be connected through a conversion joint, the pipeline liquid cargo conversion is realized, namely, the connection 2 and the connection 3 are realized, the liquid cargo in the first cabin B is discharged into a dirty oil cabin A, the connection 2 and the connection 4 are realized, and the liquid cargo in the first cabin B is discharged into the second cabin 4;
as shown in fig. 4, a typical diagram of a chemical tanker liquid cargo system adapter comprises an adapter flange lining plate 101, an adapter loose flange plate 102, an adapter short pipe 103 and an adapter lifting lug 104, wherein the length L is 600 mm, and the adapter loose flange is conveniently connected with a shore connection pipeline to realize system functions.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. A chemical tanker liquid cargo system is characterized by comprising a first cabin discharge pipeline (7) extending into a first cabin (B), a first cabin open shore pipeline (2) which is perpendicular to the first cabin discharge pipeline (7) and communicated with the first cabin discharge pipeline, a transverse main pipeline (3) and a second cabin open shore pipeline (4) which are respectively arranged in parallel with the first cabin open shore pipeline (2), wherein the left side of the transverse main pipeline (3) is connected into a longitudinal port main pipeline (5) through a branch pipe with a transverse port main pipeline connecting valve (17), and the right side of the transverse main pipeline (3) is connected into a longitudinal starboard main pipeline (6) through a branch pipe with a transverse starboard main pipeline connecting valve (13);
a first tank port shore connection valve (16) and a first tank starboard shore connection valve (12) are respectively arranged on the left side and the right side of the first tank shore connection pipeline (2);
a transverse port main pipeline discharge valve (18) and a transverse starboard main pipeline discharge valve (15) are respectively arranged on the left side and the right side of the transverse main pipeline (3);
a second tank port shore connection valve (19) and a second tank starboard shore connection valve (14) are respectively arranged on the left side and the right side of the second tank shore connection pipeline (4);
the chemical tanker liquid cargo system also comprises a transverse pipe connected with the longitudinal port main pipeline (5) and the longitudinal starboard main pipeline (6), a sump oil tank injection pipeline (9) with one end communicated with the transverse pipe and the other end communicated with a sump oil tank (A), and a second tank injection pipeline (8) communicated with the second tank shore-leading pipeline (4) and the second tank (C);
and the first cabin landing pipeline (2), the transverse main pipeline (3) and the second cabin landing pipeline (4) are equal in distance, and ends on the same side of any two pipelines are respectively communicated through a conversion joint (1).
2. The chemical tanker cargo system according to claim 1, wherein the crossover joint (1) comprises a crossover joint stub (103) with crossover joint flange liners (101) at both ends, a crossover joint loose flange (102) disposed around the periphery of the crossover joint flange liners (101), and crossover joint lugs (104) disposed on both sides of the crossover joint stub (103).
3. A chemical tanker liquid cargo system according to claim 1, characterized in that shore access platforms (F) for adjusting valves mounted on the tank shore line number one (2) and the transverse main line (3) are provided at shore access areas on the left and right sides of the vessel, respectively.
4. Chemical tanker liquid cargo system according to claim 1, characterized in that the first tank port line (2) is provided with a port line blow-off valve (23) before the valve of the first tank starboard port valve (12) and a port bleed valve (22) after the valve of the first tank starboard port valve (12), the port line blow-off valve (23) and the port bleed valve (22) discharging residual liquid cargo in the line therebetween into a port oil receiving tank (E) by accessing a purge medium.
5. A chemical tanker cargo system according to claim 1, characterized in that the tank-one discharge line (7) is connected to a tank-one discharge pump (10) after it has been extended into the tank-one (B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122130269.XU CN216185863U (en) | 2021-09-03 | 2021-09-03 | Chemical tanker liquid cargo system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122130269.XU CN216185863U (en) | 2021-09-03 | 2021-09-03 | Chemical tanker liquid cargo system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216185863U true CN216185863U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122130269.XU Active CN216185863U (en) | 2021-09-03 | 2021-09-03 | Chemical tanker liquid cargo system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216185863U (en) |
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2021
- 2021-09-03 CN CN202122130269.XU patent/CN216185863U/en active Active
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