CN109455430B - SF (sulfur hexafluoride) oil tank middle layer detection structure and preparation and detection method thereof - Google Patents

SF (sulfur hexafluoride) oil tank middle layer detection structure and preparation and detection method thereof Download PDF

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Publication number
CN109455430B
CN109455430B CN201811167134.7A CN201811167134A CN109455430B CN 109455430 B CN109455430 B CN 109455430B CN 201811167134 A CN201811167134 A CN 201811167134A CN 109455430 B CN109455430 B CN 109455430B
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China
Prior art keywords
oil tank
detection
inner shell
middle layer
wall
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CN109455430A (en
Inventor
袁君伟
徐兴宝
朱明国
俞飞鹏
孙华军
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Jiangyin Furen High Tech Co Ltd
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Jiangyin Furen High Tech Co Ltd
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/48Arrangements of indicating or measuring devices
    • B65D90/50Arrangements of indicating or measuring devices of leakage-indicating devices
    • B65D90/501Arrangements of indicating or measuring devices of leakage-indicating devices comprising hollow spaces within walls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/02Wall construction
    • B65D90/028Wall construction hollow-walled, e.g. double-walled with spacers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/10Manholes; Inspection openings; Covers therefor

Abstract

The invention discloses a SF oil tank middle layer detection structure and a preparation detection method thereof, and the SF oil tank middle layer detection structure comprises a detection pipe (2) inserted on an oil tank inner shell (1), wherein the detection pipe (2) is communicated with a middle layer, a detection plate (5) is attached to the outer wall of the oil tank inner shell (1), the detection plate (5) covers the joint of a cylinder body and a seal head of the oil tank inner shell (1), a middle layer film (7) wound on the oil tank inner shell (1) covers the detection plate (5), a gap between the detection plate (5) and the outer wall of the oil tank inner shell (1) is communicated with a detection connecting pipe (6), and the gap between the detection plate (5) and the outer wall of the oil tank inner shell (1) is communicated with the middle layer formed by the middle. According to the SF oil tank intermediate layer detection structure and the preparation detection method thereof, the connectivity of the intermediate layer can be rapidly and effectively detected, and the sealing performance of the reinforcing points is effectively improved.

Description

SF (sulfur hexafluoride) oil tank middle layer detection structure and preparation and detection method thereof
Technical Field
The invention relates to a SF oil tank middle layer detection structure and a preparation detection method thereof, and belongs to the technical field of oil tanks.
Background
At present, an oil tank middle layer lacks of an effective detection structure and method, and whether the oil tank middle layer is integrally communicated cannot be effectively detected; and when the leak hunting pipe detects the emergence leak source, especially whether the sealed effectual detection structure that lacks of leak hunting pipe itself normally needs to arrange a large amount of manpowers to detect the leak source of each reinforcement point for this reason to very big increase the use cost in later stage, be unfavorable for the popularization of product, especially in the face of large-scale oil enterprises such as well petrochemical industry medium and large-scale oil enterprises, oil tank manufacturing enterprise must provide the demonstration that the intermediate level link up comprehensively, and can effectively explain the seepage problem of reinforcement point fast during the later stage use, otherwise be unfavorable for the promotion of oil tank enterprise product.
Disclosure of Invention
The invention aims to overcome the defects and provides an SF oil tank intermediate layer detection structure and a preparation detection method thereof, which can quickly and effectively detect the connectivity of the intermediate layer and effectively improve the sealing performance of a reinforcing point.
The purpose of the invention is realized as follows:
a SF oil tank middle layer detection structure comprises a detection pipe inserted on an oil tank inner shell, wherein the detection pipe is communicated to a middle layer, a detection plate is attached to the outer wall of the oil tank inner shell and covers the joint of a barrel body and a seal head of the oil tank inner shell, a detection connecting pipe penetrates through the detection plate, one side, facing the seal head, of the detection plate is connected with the outer wall of the oil tank inner shell in a broken welding mode, and the other three sides of the detection plate are connected with the outer wall of the oil tank inner shell in a full welding mode; the detection plate is covered by the middle layer film wound on the inner shell of the oil tank, the detection plate is connected with a detection connecting pipe in a penetrating mode, a gap between the detection plate and the outer wall of the inner shell of the oil tank is communicated with the detection connecting pipe, and the gap between the detection plate and the outer wall of the inner shell of the oil tank is communicated with a middle layer formed by the middle layer film.
A preparation and detection method of an SF oil tank middle layer detection structure comprises the following steps:
step 1, inserting a detection pipe into an inner shell of an oil tank on the inner shell of the oil tank;
step 2, sleeving and welding an inner reinforcing plate on the end part of the detection pipe inserted into the shell in the oil tank;
step 3, welding the inner reinforcing plate on the inner wall of the inner shell of the oil tank;
step 4, performing pressurizing detection to ensure the sealing between the inner reinforcing plate and the inner shell of the oil tank;
step 5, opening a hole in the inner shell of the oil tank, and enabling the hole to be communicated with a pipe cavity of the detection pipe;
step 6, welding an outer reinforcing plate on the outer wall of the inner shell of the oil tank, wherein the through hole on the outer reinforcing plate is communicated with the opening on the inner shell of the oil tank;
step 7, attaching a detection plate with a detection connecting pipe between the cylinder body and the end enclosure of the inner shell of the oil tank;
step 8, fully welding one side of the detection plate, which faces the manhole, with the outer wall of the inner shell of the oil tank, intermittently welding one side of the detection plate, which faces the end enclosure, with the outer wall of the inner shell of the oil tank, and fully welding the other two sides of the detection plate with the outer wall of the inner shell of the oil tank;
and 9, winding the middle layer film on the outer wall of the inner shell of the oil tank, wherein the middle layer film covers one side of the detection plate which is connected with the inner shell of the oil tank in an intermittent welding mode.
And step 10, preparing an outer shell outside the middle layer film to form the SF double-layer oil tank.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the pressure test is respectively carried out on the two ends of the oil tank through the detection pipe and the detection connecting pipe, so that the integral connectivity of the middle layer can be detected; and the test of hierarchical sealing performance is adopted in the installation process of the detection tube, the sealing of the detection tube is ensured, and the factors of the detection tube can be discharged when a leakage point occurs, so that other leakage points are quickly positioned.
Drawings
Fig. 1 is a schematic structural diagram of an SF oil tank middle layer detection structure according to the invention.
Fig. 2 to 4 are schematic diagrams of the preparation and detection processes of the SF oil tank middle layer detection structure of the invention.
Wherein:
the detection device comprises an oil tank inner shell 1, a detection pipe 2, an inner reinforcing plate 3, an outer reinforcing plate 4, a detection plate 5, a detection connecting pipe 6 and a middle layer film 7;
manhole 1.1.
Detailed Description
Referring to fig. 1-4, the invention relates to a SF oil tank middle layer detection structure, which comprises a detection pipe 2 inserted on an oil tank inner shell 1, wherein the detection pipe 2 is communicated with a middle layer, a detection plate 5 is attached to the outer wall of the oil tank inner shell 1, the detection plate 5 covers the joint of a cylinder body and a seal head of the oil tank inner shell 1, a detection connection pipe 6 is connected on the detection plate 5 in a penetrating manner, one side of the detection plate 5 facing the seal head is in broken welding connection with the outer wall of the oil tank inner shell 1, and the other three sides of the detection plate 5 are in full welding connection with the outer wall of the oil tank inner shell 1; the detection plate 5 is covered by the middle layer film 7 wound on the inner shell 1 of the oil tank, the detection plate 5 is connected with a detection connecting pipe 6 in a penetrating way, a gap between the detection plate 5 and the outer wall of the inner shell 1 of the oil tank is communicated with the detection connecting pipe 6, and the gap between the detection plate 5 and the outer wall of the inner shell 1 of the oil tank is communicated with a middle layer formed by the middle layer film 7;
when the pressure testing device is used, the pressure test is carried out between the detection pipe 2 and the detection connecting pipe 6, and the penetration of the whole middle layer can be ensured as long as the pressure test is consistent between the detection pipe 2 and the detection connecting pipe 6;
a preparation and detection method of a SF oil tank middle layer detection structure comprises the following steps:
step 1, inserting a detection pipe 2 into an oil tank inner shell 1 on the oil tank inner shell 1;
step 2, inserting the detection pipe 2 into the end part of the inner shell 1 of the oil tank, sleeving and welding an inner reinforcing plate 3;
step 3, welding the inner reinforcing plate 3 on the inner wall of the inner shell 1 of the oil tank;
step 4, performing pressurizing detection to ensure the sealing between the inner reinforcing plate 3 and the inner shell 1 of the oil tank;
step 5, opening a hole in the inner shell 1 of the oil tank, and enabling the hole to be communicated with the pipe cavity of the detection pipe 2;
step 6, welding an outer reinforcing plate 4 on the outer wall of the oil tank inner shell 1, wherein the through hole on the outer reinforcing plate 4 is communicated with the opening on the oil tank inner shell 1;
step 7, attaching a detection plate 5 with a detection connecting pipe 6 between the cylinder body and the end enclosure of the inner shell 1 of the oil tank;
step 8, fully welding one side of the detection plate 5 facing the manhole 1.1 and the outer wall of the inner shell 1 of the oil tank, intermittently welding one side of the detection plate 5 facing the seal head and the outer wall of the inner shell 1 of the oil tank, and fully welding the other two sides of the detection plate 5 and the outer wall of the inner shell 1 of the oil tank;
step 9, winding the interlayer film 7 on the outer wall of the inner shell 1 of the oil tank, wherein the interlayer film 7 covers one side of the detection plate 5 connected with the intermittent welding of the inner shell 1 of the oil tank;
and step 10, preparing an outer shell outside the middle layer film 7 to form the SF double-layer oil tank.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.

Claims (1)

1. A preparation detection method of an SF oil tank middle layer detection structure is characterized by comprising the following steps: the method is based on a SF oil tank middle layer detection structure, the structure comprises a detection pipe (2) inserted on an oil tank inner shell (1), the detection pipe (2) is communicated to a middle layer, a detection plate (5) is attached to the outer wall of the oil tank inner shell (1), the detection plate (5) covers the joint of a cylinder body and a seal head of the oil tank inner shell (1), a detection connecting pipe (6) penetrates through the detection plate (5), one side, facing the seal head, of the detection plate (5) is in broken welding connection with the outer wall of the oil tank inner shell (1), and the other three sides of the detection plate (5) are in full welding connection with the outer wall of the oil tank inner shell (1); the detection plate (5) is covered by the middle layer film (7) wound on the inner oil tank shell (1), the detection plate (5) is connected with a detection connecting pipe (6) in a penetrating manner, a gap between the detection plate (5) and the outer wall of the inner oil tank shell (1) is communicated with the detection connecting pipe (6), and the gap between the detection plate (5) and the outer wall of the inner oil tank shell (1) is communicated with a middle layer formed by the middle layer film (7);
the method comprises the following steps:
step 1, inserting a detection pipe (2) into an oil tank inner shell (1) on the oil tank inner shell (1);
step 2, sleeving and welding an inner reinforcing plate (3) on the end part of the detection pipe (2) inserted into the inner shell (1) of the oil tank;
step 3, welding the inner reinforcing plate (3) on the inner wall of the inner shell (1) of the oil tank;
step 4, performing pressurizing detection to ensure the sealing between the inner reinforcing plate (3) and the inner shell (1) of the oil tank;
step 5, opening a hole on the inner shell (1) of the oil tank, and enabling the hole to be communicated with a pipe cavity of the detection pipe (2);
step 6, welding an outer reinforcing plate (4) on the outer wall of the oil tank inner shell (1), wherein the through hole on the outer reinforcing plate (4) is communicated with the opening on the oil tank inner shell (1);
step 7, attaching a detection plate (5) with a detection connecting pipe (6) between the cylinder body and the end enclosure of the inner shell (1) of the oil tank;
step 8, fully welding one side of the detection plate (5) facing the manhole (1.1) and the outer wall of the inner oil tank shell (1), intermittently welding one side of the detection plate (5) facing the end enclosure and the outer wall of the inner oil tank shell (1), and fully welding the other two sides of the detection plate (5) and the outer wall of the inner oil tank shell (1);
step 9, winding the middle layer film (7) on the outer wall of the inner shell (1) of the oil tank, wherein the middle layer film (7) covers one side of the detection plate (5) connected with the inner shell (1) of the oil tank in a broken welding mode;
and step 10, preparing an outer shell outside the middle layer film (7) to form the SF double-layer oil tank.
CN201811167134.7A 2018-10-08 2018-10-08 SF (sulfur hexafluoride) oil tank middle layer detection structure and preparation and detection method thereof Active CN109455430B (en)

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CN109455430B true CN109455430B (en) 2020-06-16

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164069B (en) * 1961-03-04 1964-02-27 Grundstuecksverwaltungsgesells Double-walled storage container
CN204979870U (en) * 2015-09-11 2016-01-20 中国石油化工股份有限公司 Novel SF two -compartment oil tanks of storing in a warehouse more
CN207060976U (en) * 2017-08-21 2018-03-02 石家庄市长虹容器加工有限公司 SF two-compartment oil tanks with leak detection function
CN207226167U (en) * 2017-07-16 2018-04-13 江西华锦石油化工设备有限公司 A kind of SF double-layer tanks
CN207417630U (en) * 2017-08-29 2018-05-29 北京效忠盛达油罐有限公司 SF double Deck Oil Storage Tanks
CN108609311A (en) * 2016-12-12 2018-10-02 北京三兴汽车有限公司 A kind of SF two-compartment oil tanks

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164069B (en) * 1961-03-04 1964-02-27 Grundstuecksverwaltungsgesells Double-walled storage container
CN204979870U (en) * 2015-09-11 2016-01-20 中国石油化工股份有限公司 Novel SF two -compartment oil tanks of storing in a warehouse more
CN108609311A (en) * 2016-12-12 2018-10-02 北京三兴汽车有限公司 A kind of SF two-compartment oil tanks
CN207226167U (en) * 2017-07-16 2018-04-13 江西华锦石油化工设备有限公司 A kind of SF double-layer tanks
CN207060976U (en) * 2017-08-21 2018-03-02 石家庄市长虹容器加工有限公司 SF two-compartment oil tanks with leak detection function
CN207417630U (en) * 2017-08-29 2018-05-29 北京效忠盛达油罐有限公司 SF double Deck Oil Storage Tanks

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