CN211912501U - Oil depot and petrochemical plant CO2 cylinder tank body structure of putting out a fire - Google Patents
Oil depot and petrochemical plant CO2 cylinder tank body structure of putting out a fire Download PDFInfo
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- CN211912501U CN211912501U CN201921339095.4U CN201921339095U CN211912501U CN 211912501 U CN211912501 U CN 211912501U CN 201921339095 U CN201921339095 U CN 201921339095U CN 211912501 U CN211912501 U CN 211912501U
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Abstract
Oil depot and petrochemical plant CO2Fire extinguishing cylinder jar body structure to the diameter D of the biggest oil tank in current oil depot and the petrochemical industry mill oil tank crowd, height H are as design parameter, it is formed by structure welding such as tank deck, the cylinder jar body, the intraductal support of cylinder, the tank bottoms, business turn over trachea, the same material of oil depot oil tank can be selected for use to the material, Q235, 16Mn, high performance steel, alloy steel etc. carry out gas tightness nondestructive test after the welding, carry out welding quality according to 8 atmospheric pressure's pressure vessel welding standard and accept, its size recommends the design scope: the diameter is 1/4-1D, the height is less than or equal to 1H, and the optimal value is as follows: diameter 1D, height 1H. The top and bottom of the tank are roundThe tank body is cylindrical and is formed by splicing and welding steel plates. The inner support of the cylindrical pipe is vertically and horizontally arranged and is welded with each other to form an integral support. The inner support of the cylindrical pipe is welded on the tank bottom, and the tank body and the tank top are welded on the inner support of the cylindrical pipe. Multiple air inlet and outlet pipes may be provided.
Description
Technical Field
Oil depot and petrochemical plant CO2Fire-extinguishing cylindrical tankTank structure belongs to the technical field of fire control, relates to CO2A tank body structure of an air storage tank.
Background
At present, when big fire occurs in domestic and foreign oil depots and petrochemical plants, a fire truck arrives at the site for fire extinguishing, and the oil depots and the petrochemical plants are not provided with fire-fighting CO for fire extinguishing2And the gas storage tank is in a technical blank state.
Disclosure of Invention
The diameter D and the height H of the largest oil tank in the existing oil depot and petrochemical plant oil tank group are taken as design reference parameters, as shown in the attached figure 1.
1. Oil depot and petrochemical plant CO2The fire-extinguishing cylindrical tank body structure is formed by welding structural components such as a tank top, a cylindrical tank body, a cylindrical pipe inner support, a tank bottom, an air inlet pipe and an air outlet pipe, wherein the structural components can be made of the same materials of oil tanks of an oil depot, Q235, 16Mn, high-performance steel, alloy steel and the like, the air tightness nondestructive testing is carried out after welding, and the welding quality acceptance is carried out according to the welding standard of pressure vessels with 8 atmospheric pressures, as shown in figure 2 of the attached drawing.
2. Oil depot and petrochemical plant CO2The diameter and height dimension of the fire extinguishing cylinder tank body structure recommend the design range: the diameter is 1/4-1D, the height is less than or equal to 1H, and the optimal value is as follows: diameter 1D, height 1H, as shown in FIG. 2 of the drawings.
3. Tank deck, tank bottoms are circular, are welded by the steel sheet concatenation, and the design scope is recommended to the thickness size: 6mm to 18mm, as shown in figures 2 and 4 of the accompanying drawings.
4. The jar body is cylindrical, is welded by the steel sheet concatenation, and the design scope is recommended to the thickness size: 6mm to 18mm, as shown in figures 2 and 5 of the accompanying drawings.
5. The inner support of the cylindrical pipe is vertically and horizontally arranged and welded with each other to form an integral support, the recommended design range of the wall thickness dimension of the cylindrical pipe is 6mm to 20mm, the recommended design range of the diameter dimension of the cylindrical pipe at the center of the tank body is 400mm to 1000mm, the recommended design range of the diameter dimension of the cylindrical pipe at other positions is 80mm to 200mm, the inner support of the cylindrical pipe is welded on the tank bottom, and the tank body and the tank top shown in fig. 5 are welded on the inner support of the cylindrical pipe, as shown in attached fig. 2 and 6.
6. The diameter of the air inlet and outlet pipe is recommended to be designed within the range of 200 mm-1000 mm, and a plurality of air inlet and outlet pipes can be arranged, as shown in attached figures 2, 3 and 6.
Drawings
The sheet of figure 6 is shown,
FIG. 1-oil depot, the design is referred to the maximum oil tank diameter D, height H;
FIG. 2-oil depot and petrochemical plant CO2A fire extinguishing cylindrical tank body structure;
FIG. 3-air inlet and outlet pipes, section B-B, section C-C;
FIG. 4-top and bottom of the tank;
FIG. 5-tank;
FIG. 6-cylindrical tube (used as inner support, inlet and outlet tube).
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, and 6:
1. and cutting and blanking the steel plate and the cylindrical pipe according to the design size.
2. The method comprises the steps of paving and butting a tank bottom steel plate on a foundation, spot welding, controlling and adjusting the overall shape deformation of the tank bottom to keep the tank bottom complete and circular, then welding in a symmetrical mode until the overall welding of the tank bottom is completed, then carrying out air tightness nondestructive testing and repair welding on the gas leakage part, and carrying out tank bottom welding quality acceptance inspection according to the welding standard of a pressing force container.
3. Welding a cylindrical pipe inner support on the tank bottom, welding a cylindrical tank body outside the cylindrical pipe inner support, welding the cylindrical tank body upwards in one section until all the cylindrical pipe inner supports and the cylindrical tank body are welded, and finally welding the tank top. In the welding process, spot welding, controlling and adjusting the deformation of the whole shape, then welding in a symmetrical mode until all welding is completed, then carrying out air tightness nondestructive testing, repairing welding air leakage positions, and carrying out welding quality acceptance according to the welding standard of the pressing-force container.
4. Welding the air inlet pipe and the air outlet pipe according to a designed position, performing air tightness nondestructive testing and repair welding on the air leakage position after welding, and performing welding quality acceptance according to a welding standard of the pressing-force container.
Claims (3)
1. Oil depot and petrochemical plant CO2The fire-extinguishing cylindrical tank body structure takes the diameter D and the height H of the largest oil tank in an oil depot and a petrochemical plant oil tank group as design parameters, and is a cylindrical tank body formed by welding structural members such as a circular tank top, a cylindrical tank body, a cylindrical pipe inner support, a circular tank bottom, an air inlet pipe and an air outlet pipe, and is characterized in that: the tank body is in a cylindrical shape, the tank top and the tank bottom are circular, the tank body is cylindrical, the tank top and the tank body are intersected to form a circular ridge line, the tank bottom and the tank body are intersected to form a circular ridge line, and the tank top and the tank body are spliced and welded by steel plates; the inner support of the cylindrical pipe is vertically and horizontally arranged and is welded with the inner support into an integral support; the cylindrical pipe inner support is welded on the tank bottom, and the tank body and the tank top are welded on the cylindrical pipe inner support and can be provided with a plurality of air inlet and outlet pipes.
2. The oil depot and petrochemical plant CO of claim 12Cylindrical tank body structure of putting out a fire, characterized by:
the materials can be selected from the same materials of oil reservoirs and oil tanks, Q235, 16Mn, high-performance steel, alloy steel and the like, the air tightness nondestructive test is carried out after welding, and the welding quality acceptance is carried out according to the welding standard of pressure vessels with 8 atmospheric pressures.
3. The oil depot and petrochemical plant CO of claim 12Cylindrical tank body structure of putting out a fire, characterized by:
the recommended design range of the size is as follows: the diameter is 1/4-1D, the height is less than or equal to 1H, and the optimal value is as follows: diameter 1D, height 1H.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201821337475 | 2018-08-09 | ||
CN201821337475X | 2018-08-09 |
Publications (1)
Publication Number | Publication Date |
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CN211912501U true CN211912501U (en) | 2020-11-13 |
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CN201921339095.4U Active CN211912501U (en) | 2018-08-09 | 2019-08-07 | Oil depot and petrochemical plant CO2 cylinder tank body structure of putting out a fire |
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CN (1) | CN211912501U (en) |
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2019
- 2019-08-07 CN CN201921339095.4U patent/CN211912501U/en active Active
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