Container preassembling method for oxygen room and acetylene room of automobile transport ship

Abstract

The invention provides a container preassembling method for an oxygen room and an acetylene room of an automobile transport ship. The container preassembling method comprises the following steps that (1) containers are prefabricated; (2) the interior of the container is divided into an oxygen chamber and an acetylene chamber; (3) an oxygen cylinder and an oxygen pipeline are pre-installed in the oxygen chamber, and an acetylene cylinder and an acetylene pipeline are pre-installed in the acetylene chamber; 4) hoisting the container pre-loaded with the oxygen room and the acetylene room to a reserved position of the automobile transport ship, and fixing the container pre-loaded with the oxygen room and the acetylene room; and (5) an oxygen pipeline of the oxygen room is connected with an oxygen pipeline of the automobile transport ship, and an acetylene pipeline of the acetylene room is connected with an acetylene pipeline of the automobile transport ship. According to the method, the oxygen chamber and the acetylene chamber are formed in the container, the oxygen pipeline and the acetylene pipeline are preassembled, and finally, the container in which the oxygen chamber and the acetylene chamber are preassembled is hoisted and fixed to the reserved position of the automobile transport ship, so that the working procedure of arranging the oxygen chamber and the acetylene chamber on the automobile transport ship is moved forwards, and the shipbuilding efficiency is improved; and the shipbuilding cost is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of ship construction, and in particular relates to a container pre-installation method for an oxygen room and an acetylene room of a car transport ship. Background Art

[0002] The mixture of oxygen and acetylene forms an oxyacetylene flame, which has a high temperature and is often used for metal cutting and welding operations. Special oxygen and acetylene rooms are set up in the ship's repair room to provide the necessary conditions for the repair and maintenance of the ship.

[0003] In the prior art, a Pure Car Truck Carrier (PCTC) generally has two small rooms separated in the ship, namely, an oxygen room and an acetylene room, for installing oxygen cylinders and acetylene cylinders, and then connecting related pipelines inside the room, such as Figure 1 The oxygen room and acetylene room are adjacent to the paint room and emergency generator room, which are close to the crew lounge.

[0004] However, this method has the following problems:

[0005] (1) It is necessary to install the gas cylinder and the pipes connecting the gas cylinder later;

[0006] (2) The door of the room needs to be installed later;

[0007] (3) A discharge pipe needs to be installed later;

[0008] (4) Acetylene is a flammable and explosive gas that can easily pose a threat to the health of crew members.

[0009] According to the above-mentioned design of the oxygen room and acetylene room, all outfitting equipment needs to be installed later, which consumes a lot of man-hours and reduces shipbuilding efficiency. Summary of the invention

[0010] An embodiment of the present invention provides a container pre-installation method for an oxygen room and an acetylene room of a car carrier. The pre-installation method comprises setting an oxygen room and an acetylene room in a container, installing gas cylinders and connecting pipes related to the gas cylinders in the container, and installing a discharge pipe and a door of the room in advance, so that the process in the prior art is moved forward, the shipbuilding efficiency is improved, and the shipbuilding cost is reduced.

[0011] In order to achieve the above object, the present invention adopts the following technical solutions.

[0012] A method for preloading containers in an oxygen room and an acetylene room of a car carrier, comprising the following steps:

[0013] 1) Prefabricate a container according to the required number of oxygen cylinders and acetylene cylinders;

[0014] 3) The interior of the container is divided into two rooms, one of which is set as an oxygen room and the other is set as an acetylene room; a door is opened in the oxygen room of the container to connect the outside of the container with the oxygen room; a door is opened in the acetylene room of the container to connect the outside of the container with the acetylene room; wherein the oxygen room is used to store oxygen, and the acetylene room is used to store acetylene;

[0015] 3) pre-installing oxygen cylinders and oxygen pipelines in the oxygen room, and pre-installing acetylene cylinders and acetylene pipelines in the acetylene room;

[0016] An oxygen through hole is provided on one side wall of the oxygen room, the oxygen through hole is used for passing an oxygen pipeline, and connecting the oxygen pipeline of the oxygen room with the oxygen pipeline of the automobile transport ship; an acetylene through hole is provided on one side wall of the acetylene room, the acetylene through hole is used for passing an acetylene pipeline, and connecting the acetylene pipeline of the acetylene room with the acetylene pipeline of the automobile transport ship; and a container pre-installed with the oxygen room and the acetylene room is obtained;

[0017] 4) hoisting the container pre-installed with the oxygen room and the acetylene room in step 3) to the reserved position of the automobile carrier and fixing it (i.e., fixing the container pre-installed with the oxygen room and the acetylene room on the automobile carrier);

[0018] 5) connecting the oxygen pipeline of the container to the oxygen pipeline of the car carrier, and connecting the acetylene pipeline of the container to the acetylene pipeline of the car carrier, so that the oxygen between the oxygen and the acetylene between the acetylene in the container can function.

[0019] As an optional implementation, in step 2), the interior of the container is divided into two rooms using a steel plate.

[0020] As an optional implementation, in step 2), the thickness of the steel plate is ≥2.8 mm (for example, 3 mm) to ensure that the wall will not break when the high-pressure gas has a strong impact on the wall during a sudden gas leak, thereby avoiding contact between the leaked oxygen and acetylene and avoiding possible explosion risks.

[0021] As an optional implementation, in step 2), the oxygen room and the acetylene room cannot be connected to reduce the mixing probability of oxygen and acetylene and reduce the possibility of danger.

[0022] As an optional implementation, in step 2), the door of the oxygen room and the door of the acetylene room are not on the same side to reduce the chance of oxygen and acetylene meeting when oxygen or acetylene leaks, thereby reducing the risk index as much as possible.

[0023] The present invention does not specifically limit the pre-installation method of the oxygen cylinder or acetylene cylinder, and those skilled in the art can pre-install the oxygen cylinder or acetylene cylinder in the oxygen room or acetylene room of the container by conventional methods in the art. For example, by placing the oxygen cylinder or acetylene cylinder in a high-pressure gas cylinder rack and fixing the high-pressure gas cylinder with an iron chain or iron hoop, the gas cylinder is prevented from tilting or even falling.

[0024] As an optional implementation, in step 3), pre-installing oxygen cylinders inside the oxygen room includes the following steps: setting up a cylinder support in the oxygen room, placing the oxygen cylinder in the cylinder support and fixing it. Optionally, an iron chain or iron hoop is used to fix the cylinder to prevent the cylinder from tilting or even falling.

[0025] As an optional implementation, in step 3), pre-installing the acetylene cylinder inside the acetylene room includes the following steps: setting up a cylinder support in the acetylene room, placing the acetylene cylinder in the cylinder support and fixing it. Optionally, an iron chain or an iron hoop is used to fix the cylinder to prevent the cylinder from tilting or even falling.

[0026] As an optional implementation, in step 3), the oxygen cylinder is placed vertically in the cylinder holder.

[0027] As an optional implementation, in step 3), the acetylene cylinder is placed vertically in the gas cylinder holder.

[0028] In the present invention, in step 3), the oxygen cylinders and oxygen pipelines pre-installed in the oxygen room can adopt conventional technical solutions in the art.

[0029] As an optional implementation, in step 3), pre-installing oxygen cylinders and oxygen pipelines in the oxygen room further comprises the following steps:

[0030] Connecting a pressure reducing valve between the oxygen cylinder and the oxygen pipeline;

[0031] Install a pressure gauge, a discharge valve and a discharge pipeline at the oxygen outlet end of the oxygen pipeline;

[0032] In the present invention, a pressure reducing valve is connected between the oxygen cylinder and the oxygen pipeline, so that the oxygen in the oxygen cylinder enters the oxygen pipeline after being reduced in pressure by the pressure reducing valve; a pressure gauge is installed at the oxygen outlet end of the oxygen pipeline to monitor the pressure of the oxygen in the oxygen pipeline in real time; a discharge valve and a discharge pipeline are installed at the oxygen outlet end of the oxygen pipeline to discharge the residual high-pressure gas in the oxygen pipeline and reduce the risk of gas leakage.

[0033] As an optional implementation, in step 3), pre-installing oxygen cylinders and oxygen pipelines in the oxygen room further comprises the following steps: installing a leak detection device at the oxygen outlet end of the oxygen pipeline. ;

[0034] As an optional embodiment, in step 3), pre-installing acetylene cylinders and acetylene pipelines in the acetylene room further comprises the following steps:

[0035] Connecting a pressure reducing valve between the acetylene cylinder and the acetylene pipeline;

[0036] A pressure gauge, a discharge valve and a discharge pipeline are installed at the acetylene outlet end of the acetylene pipeline.

[0037] In the present invention, a pressure reducing valve is connected between the acetylene cylinder and the acetylene pipeline, so that the acetylene in the acetylene cylinder enters the acetylene pipeline after being reduced in pressure by the pressure reducing valve; a pressure gauge is installed at the acetylene outlet end of the acetylene pipeline to monitor the pressure of acetylene in the acetylene pipeline in real time; a discharge valve and a discharge pipeline are installed at the acetylene outlet end of the acetylene pipeline to discharge the residual high-pressure gas in the acetylene pipeline and reduce the risk of gas leakage.

[0038] As an optional implementation, in step 3), pre-installing the acetylene cylinder and the acetylene pipeline in the acetylene room further comprises the following steps: installing a gas leakage detection device at the oxygen outlet end of the oxygen pipeline;

[0039] As an optional implementation, in the step 3), an oxygen release hole is opened on the top wall of the oxygen room, and the oxygen release hole is used to allow an oxygen release pipeline to pass through. The oxygen release pipeline is used to discharge residual high-pressure oxygen gas in the oxygen pipeline to reduce the risk of gas leakage.

[0040] As an optional implementation, in the step 3), an acetylene discharge through hole is opened on the top wall of the acetylene room, and the acetylene discharge through hole is used to allow an acetylene discharge pipeline to pass through, and the acetylene discharge pipeline is used to discharge residual high-pressure acetylene gas in the acetylene pipeline to reduce the risk of gas leakage.

[0041] As an optional implementation, in the step 3), the oxygen release through hole is opened at a position away from the acetylene release through hole.

[0042] As an optional implementation, in step 3), the oxygen room is pre-installed with at least 2 oxygen cylinders; the acetylene room is pre-installed with at least 2 acetylene cylinders.

[0043] In the present invention, the size of the container is determined according to the number of oxygen cylinders and acetylene cylinders, and generally a ship can be equipped with 4 acetylene cylinders and 8 oxygen cylinders. According to this number, the container specifications applicable to all ships can be set so that the container can meet the use requirements of most ships and achieve the purpose of mass production and use.

[0044] As an optional implementation, in step 4), the container is fixed on the car carrier by welding or detachably fixing.

[0045] The detachable fixing includes connecting the container to the hull structure using bolts, and when the container is damaged, the container can be quickly replaced.

[0046] As an optional implementation, in step 5), during the pipeline connection process, it is necessary to ensure that the pipeline is sealed and no gas leakage occurs.

[0047] In the present invention, the connecting pipelines of the components related to the oxygen cylinder can adopt conventional technical solutions in the art, which will not be described in detail here.

[0048] In the present invention, the above technical features can be freely combined to form a new technical solution without conflicting with each other.

[0049] Compared with the prior art, the technical solution of the present invention has the following beneficial technical effects:

[0050] (1) As can be seen from the above scheme, the present invention provides a container pre-installation method for the oxygen room and acetylene room of a car carrier, by opening an independent oxygen room and acetylene room in a container, and pre-installing the oxygen connecting pipeline and the acetylene connecting pipeline, and finally installing the container pre-installed with the oxygen room and acetylene room as a whole and fixing it in a reserved position on the car carrier, thereby moving the process of setting the oxygen room and acetylene room on the car carrier forward, improving the shipbuilding efficiency and reducing the shipbuilding cost;

[0051] (2) The container preloading method for oxygen room and acetylene room of the present invention can greatly reduce the workload on board. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 A schematic diagram showing the three-dimensional structure of the oxygen compartment and the acetylene compartment of a PCTC ship in the prior art;

[0053] Figure 2 A schematic diagram showing a top view of the three-dimensional structure of the oxygen room and the acetylene room of a PCTC ship in the prior art;

[0054] Figure 3 A schematic diagram showing the internal gas cylinder and pipeline structure of the oxygen room and the acetylene room in Example 1 of the present invention;

[0055] Figure 4 A schematic diagram showing the internal three-dimensional structure of an oxygen room and an acetylene room in a container of the present invention;

[0056] Figure 5 A three-dimensional schematic diagram of the exterior of a container showing an open state of the doors of the oxygen room and the acetylene room according to the present invention. DETAILED DESCRIPTION

[0057] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0058] Example 1

[0059] A method for preloading containers in an oxygen room and an acetylene room of a car carrier comprises the following steps.

[0060] Step S1: prefabricate a container according to the required number of oxygen cylinders and acetylene cylinders.

[0061] Step S2: Figure 2 As shown, the interior of the container is divided into two rooms by a 3mm thick steel plate, one of which is set as an oxygen room for storing oxygen, and the other is set as an acetylene room for storing acetylene. A door is opened in the oxygen room of the container to connect the outside of the container with the oxygen room; a door is opened in the acetylene room of the container to connect the outside of the container with the acetylene room; wherein, the door of the oxygen room and the door of the acetylene room are not on the same side, so as to reduce the probability of oxygen and acetylene meeting when oxygen or acetylene leaks, thereby reducing the risk index as much as possible.

[0062] Step S3: Follow Figure 3 The oxygen room structure and the acetylene room structure shown in the figure pre-install the gas cylinders and pipelines in the oxygen room and the acetylene room; specifically, the following steps are included:

[0063] Fix the oxygen cylinder on the cylinder bracket, connect the pressure reducing valve between the oxygen cylinder and the oxygen pipeline, so that the oxygen in the oxygen cylinder enters the oxygen pipeline after being reduced in pressure by the pressure reducing valve; install a pressure gauge at the oxygen outlet end of the oxygen pipeline to monitor the pressure of the oxygen in the oxygen pipeline in real time; install a gas leakage detection device at the oxygen outlet end of the oxygen pipeline; install a discharge valve and an oxygen discharge pipeline at the oxygen outlet end of the oxygen pipeline to discharge the residual high-pressure gas in the oxygen pipeline and reduce the risk of gas leakage; open an oxygen discharge through hole on the top wall of the oxygen room to allow the oxygen discharge pipeline to pass through and discharge the residual high-pressure oxygen gas in the oxygen pipeline to reduce the risk of gas leakage;

[0064] Fix the acetylene cylinder on the gas cylinder bracket, connect a pressure reducing valve between the acetylene cylinder and the acetylene pipeline, so that the acetylene in the acetylene cylinder enters the acetylene pipeline after being reduced in pressure by the pressure reducing valve; install a pressure gauge at the acetylene outlet end of the acetylene pipeline to monitor the pressure of acetylene in the acetylene pipeline in real time; install a gas leakage detection device at the oxygen outlet end of the oxygen pipeline; install a discharge valve and a discharge pipeline at the acetylene outlet end of the acetylene pipeline to discharge the residual high-pressure gas in the acetylene pipeline and reduce the risk of gas leakage; open an acetylene through hole on one side wall of the acetylene room to allow the acetylene pipeline to pass through, and connect the acetylene room with the acetylene pipeline outside the container;

[0065] Get pre-assembled oxygen and acetylene room containers, such as Figure 4 and Figure 5 shown. Figure 4 Schematic diagram showing the internal three-dimensional structure of the oxygen room and acetylene room in the container (looking from the bottom up). Figure 5 3D schematic diagram of the container exterior showing the doors in the oxygen and acetylene rooms open.

[0066] Step S4: hoisting the container pre-installed with oxygen room and acetylene room to the reserved position on the car carrier, and fixing the container on the car carrier by bolts.

[0067] Step S5: connecting the oxygen pipeline between oxygen in the container to the oxygen pipeline on the car carrier, and connecting the acetylene pipeline between acetylene in the container to the acetylene pipeline on the car carrier, so that the oxygen between oxygen in the container and the acetylene between acetylene can function.

[0068] Example 2

[0069] The difference between this embodiment and the first embodiment is that in step S5, the container is fixed on the automobile transport ship by welding.

[0070] The above are preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A method for preloading containers in the oxygen room and acetylene room of a car carrier, characterized in that: The following steps are involved: 1) Prefabricate containers according to the required number of oxygen cylinders and acetylene cylinders; 2) dividing the interior of the container into two rooms, wherein one room is set as an oxygen room and the other room is set as an acetylene room; a door is opened in the oxygen room of the container and a door is opened in the acetylene room; 3) pre-installing oxygen cylinders and oxygen pipelines in the oxygen room, and pre-installing acetylene cylinders and acetylene pipelines in the acetylene room; An oxygen through hole is provided on one side wall of the oxygen room for passing an oxygen pipeline to connect the oxygen pipeline of the oxygen room with the oxygen pipeline of the automobile transport ship; an acetylene through hole is provided on one side wall of the acetylene room for passing an acetylene pipeline to connect the acetylene pipeline of the acetylene room with the acetylene pipeline of the automobile transport ship; and a container for pre-installing the oxygen room and the acetylene room is obtained; 4) hoisting the container pre-installed with the oxygen room and the acetylene room in step 3) to the reserved position of the automobile transport ship and fixing it; 5) Connect the oxygen pipeline of the oxygen room to the oxygen pipeline of the car carrier, and connect the acetylene pipeline of the acetylene room to the acetylene pipeline of the car carrier.

2. The method for preloading containers in the oxygen room and acetylene room of a car carrier according to claim 1, characterized in that: In the step 2), the interior of the container is divided into two rooms using a steel plate.

3. The method for preloading containers in the oxygen room and acetylene room of a car carrier according to claim 2, characterized in that: In the step 2), the thickness of the steel plate is ≥2.8 mm.

4. The method for preloading containers in the oxygen room and acetylene room of a car carrier according to any one of claims 1 to 3, characterized in that: In the step 2), the oxygen room and the acetylene room cannot be connected.

5. The method for preloading containers in the oxygen room and acetylene room of a car carrier according to any one of claims 1 to 3, characterized in that: In the step 3), pre-installing oxygen cylinders in the oxygen room comprises the following steps: setting up a cylinder support in the oxygen room, placing the oxygen cylinders in the cylinder support, and fixing them; Pre-installing acetylene cylinders in the acetylene room includes the following steps: setting up a cylinder support in the acetylene room, placing the acetylene cylinder in the cylinder support, and fixing it.

6. The method for preloading containers in the oxygen room and acetylene room of a car carrier according to claim 5, characterized in that: In the step 3), pre-installing oxygen cylinders and oxygen pipelines in the oxygen room also includes the following steps: Connecting a pressure reducing valve between the oxygen cylinder and the oxygen pipeline; Installing a pressure gauge, a relief valve and a relief pipeline at the oxygen outlet end of the oxygen pipeline; or / and Pre-installing acetylene cylinders and acetylene pipelines in the acetylene room also includes the following steps: Connecting a pressure reducing valve between the acetylene cylinder and the acetylene pipeline; A pressure gauge, a discharge valve and a discharge pipeline are installed at the acetylene outlet end of the acetylene pipeline.

7. The method for preloading containers in the oxygen room and acetylene room of a car carrier according to any one of claims 1 to 3, characterized in that: In the step 3), an oxygen release through hole is opened on the top wall of the oxygen room, and the oxygen release through hole is used to allow the oxygen release pipeline to pass through; an acetylene release through hole is opened on the top wall of the acetylene room, and the acetylene release through hole is used to allow the acetylene release pipeline to pass through.

8. The method for preloading containers in the oxygen room and acetylene room of a car carrier according to claim 7, characterized in that: In the step 3), the oxygen release through hole is opened at a position far away from the acetylene release through hole.

9. The method for preloading containers in the oxygen room and acetylene room of a car carrier according to claim 6, characterized in that: In the step 3), the oxygen room is pre-installed with at least two oxygen cylinders; the acetylene room is pre-installed with at least two acetylene cylinders.

10. The method for preloading containers in the oxygen room and acetylene room of a car carrier according to any one of claims 1 to 3, characterized in that: In the step 5), the container is fixed on the automobile transport ship by welding or detachably fixing.

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