CN113023147A - Lining double-layer oil tank structure and transformation method of single-layer oil tank - Google Patents
Lining double-layer oil tank structure and transformation method of single-layer oil tank Download PDFInfo
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- CN113023147A CN113023147A CN201911352186.6A CN201911352186A CN113023147A CN 113023147 A CN113023147 A CN 113023147A CN 201911352186 A CN201911352186 A CN 201911352186A CN 113023147 A CN113023147 A CN 113023147A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K23/00—Alumino-thermic welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/04—Linings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/10—Manholes; Inspection openings; Covers therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/46—Arrangements for carrying off, or preventing the formation of electrostatic charges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/02—Wall construction
- B65D2590/023—Special coating or treatment of the internal surface
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a lining double-layer oil tank structure and a modification method of a single-layer oil tank, and belongs to the technical field of modification of buried oil tanks of gas stations. The inside lining structure includes the under coat that inwards sets up in proper order from the internal wall of individual layer jar, the inside lining is outer, the inside lining intermediate level, the inside lining inlayer and lead the static layer, be provided with monitoring port on the individual layer jar body, manhole and lug, the under coat is used for increasing the external bonding strength of the individual layer jar body and inside lining, the under coat is formed through at the internal wall coating resin of individual layer jar, bonding strength between under coat and the internal wall of individual layer jar is greater than or equal to 5.5MPa, the annular strengthening rib apron is installed to the channel-section steel annular strengthening rib department of the individual layer jar body, the outside and the inside lining inlayer of inside lining combine. The invention can solve the problem that the in-service single-layer steel oil tank of the gas station is upgraded into the double-layer oil tank without dismantling the original reinforcing rib, and comprises the repair of leakage points in the in-service steel oil tank, the treatment of manhole wells and the reinforcing rib and the like.
Description
Technical Field
The invention belongs to the technical field of reconstruction of buried oil tanks of gas stations, and particularly relates to a lining double-layer oil tank structure and a reconstruction method of a single-layer oil tank.
Background
Along with the continuous enhancement of the consciousness of safety, energy conservation and environmental protection in China, the leakage of the buried oil tank of the gas station is more and more emphasized, in order to ensure the safety of the buried oil tank of the gas station, the related aspects require that the service oil tank of the gas station is completely updated to a double-layer oil tank or the arrangement of an anti-seepage pool is completed, but part of the buried oil tank of the gas station is influenced by the stress radiation of surrounding buildings or rail transit foundations, and the soil moving construction cannot be carried out. Therefore, the modification of the inner liner becomes the only way to meet the requirements of safety and environmental protection. The method for modifying the inner liner of the service oil tank of the gas station is a method for modifying the inner part of the service steel oil tank to form a double-layer oil tank, and has the advantages of no need of moving soil in a tank area, short construction period, low cost, small influence on the gas station and the like.
The lining reforming oil tank is divided into a flexible lining oil tank and a rigid lining oil tank. The flexible lining oil tank is characterized in that a layer of lining layer attached to the inner surface of the service oil tank is formed in the oil tank in an air bag inflation mode, so that the functions of protecting the inner tank and detecting the leakage of the middle layer are achieved, and the oil tank of a domestic gas station is generally provided with reinforcing ribs, so that the structure is basically not applied at home; the rigid lining structure is a double-layer oil tank structure which is manufactured by taking unsaturated polyester resin and epoxy resin as basic materials and has a middle layer leakage detection function in a tank.
The research reports of the related aspects of the prior art mainly include:
CN108859175A discloses a double-layer lining reforming process for an oil storage tank, which comprises derusting the inner wall of the oil storage tank, detecting leakage after derusting to prevent leakage, making FF lining, making the outer layer of the lining by sheet laying, adding the middle layer, and making the inner layer of the lining by vacuum leading-in process.
At filling station at the labour oil tank inside lining transformation in-process, the existence of the original strengthening rib of oil tank has caused very big difficulty to the inside lining transformation work, and prior art has adopted getting rid of original strengthening rib at the transformation in-process to the mode of making the glass steel strengthening rib again after the construction is ended is handled, and this kind of mode has seriously destroyed the bearing structure of the former tank body, and probably causes the inside lining to transform oil tank stress concentration, thereby leads to transforming the work inefficacy.
Disclosure of Invention
The invention aims to provide a lining double-layer oil tank structure and a transformation method of a single-layer oil tank, which can solve the problem that an in-service single-layer steel oil tank of a gas station is upgraded and transformed into the double-layer oil tank without removing an original reinforcing rib, and comprises the steps of repairing leakage points in the in-service steel oil tank, processing a manhole well and the reinforcing rib and the like.
One of the tasks of the invention is to provide a lining double-layer oil tank structure, which specifically adopts the following technical scheme:
a lining double-layer oil tank structure comprises a single-layer tank body and a lining structure, wherein the lining structure comprises a bottom coating, an outer lining layer, a middle lining layer, an inner lining layer and a static conductive layer, which are sequentially arranged inwards on the inner wall of the single-layer tank body.
Furthermore, a monitoring port, a manhole and a lifting lug are arranged on the single-layer tank body.
Further, the primer layer is used to increase the adhesive strength between the single-layer can body and the inner liner outer layer, and the primer layer is formed by coating a resin on the inner wall of the single-layer can body.
More preferably, the adhesion strength between the primer layer and the inner wall of the single-layer can body is not less than 5.5 MPa.
Preferably, the annular reinforcing rib cover plate is arranged at the annular reinforcing rib of the channel steel of the single-layer tank body.
Further preferably, the outer and inner liners are joined around the manhole neck and form a sealing edge to the intermediate liner.
Preferably, the thickness of the outer layer of the lining is more than or equal to 4mm, the middle layer of the lining is ensured to be all-directionally communicated at 360 degrees, and the height is more than or equal to 3 mm; the thickness of the inner layer of the lining is more than or equal to 4 mm.
More preferably, the static conductive layer is coated on the inner lining layer, and the surface resistivity is not less than 109Ω。
Another task of the present invention is to provide a method for reconstructing a single-layer oil tank, which sequentially comprises the following steps:
s1, preparation of a construction site;
s2, cleaning the single-layer oil tank and monitoring combustible gas in the single-layer oil tank;
s3, removing rust on the inner surface of the single-layer oil tank by using a sand blasting process;
s4, checking the thickness of the single-layer oil tank to ensure that the thickness is more than or equal to 4 mm;
s5, repairing the corroded and punched holes of the tank body of the single-layer oil tank by using an aluminothermic process;
s6, coating a base coat on the inner wall of the single-layer oil tank after rust removal to ensure that the bonding strength between the base coat and the wall of the single-layer oil tank is more than or equal to 5.5 MPa;
s7, installing an annular reinforcing rib cover plate at the annular reinforcing rib of the channel steel of the single-layer oil tank, reconstructing a manhole of the single-layer oil tank, and combining the outer lining layer and the inner lining layer at the periphery of the manhole neck to form a sealing edge of the middle lining layer;
s8, brushing an electrostatic conductive layer on the surface of the inner lining layer, wherein the surface resistivity is more than or equal to 109Ω。
Further, in step S3, the derusting grade is more than or equal to SA 2.5; in step S7, the thickness of the outer layer of the lining is more than or equal to 4 mm; the thickness of the inner layer of the lining is more than or equal to 4 mm.
Compared with the prior art, the invention has the following beneficial technical effects:
(1) the invention adopts a sand blasting rust removal method to clean the inner surface of the steel oil tank;
(2) the invention provides a method for repairing a leakage point of a steel oil tank by using an aluminothermic process, which effectively overcomes the defects of high difficulty, high cost and poor effect of repairing a perforation of a buried oil tank.
(3) The lining double-layer oil tank provided by the invention is mainly made of unsaturated polyester resin or epoxy resin and reinforced by glass fiber;
(4) the invention provides two human hole neck lining reconstruction methods; can solve the problem that the special-shaped structure at the manhole neck is difficult to process in the lining transformation process. The manhole of the oil tank after transformation has a single-layer or double-layer structure, and the static conductive layer is in direct contact with the steel tank body at the manhole, so that the charge on the inner surface of the oil tank is led out through the grounding device of the steel tank body.
(5) The invention provides a method for processing reinforcing ribs of a lining oil tank, which can effectively solve the influence of the reinforcing ribs on lining construction reconstruction.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a buried oil corrosion perforation repair method using thermite reaction according to the present invention;
FIG. 2 is a schematic view of a single-layer manhole neck reconstruction structure according to the present invention;
FIG. 3 is a schematic view of a double-layered manhole neck reconstruction structure according to the present invention;
FIG. 4 is a schematic view of the structural processing of the annular reinforcing rib of the oil tank of the invention;
in the figure, 1-steel can body; 2-a base coat; 3-inner lining outer layer; 4-lining middle layer; 5-inner lining layer; 6-an electrostatic conducting layer; 7-a filler material; 8-channel steel annular reinforcing ribs; 9-annular reinforcing rib cover plate.
Detailed Description
The invention provides a lining double-layer oil tank structure and a modification method of a single-layer oil tank, and in order to make the advantages and technical scheme of the invention clearer and clearer, the invention is described in detail with reference to specific embodiments.
Referring to fig. 1 to 4, the lining double-layer oil tank structure of the present invention includes a single-layer steel tank body 1 and a lining structure, wherein the lining structure includes a bottom coating layer 2, a lining outer layer 3, a lining middle layer 4, a lining inner layer 5 and a static electricity conducting layer 6, which are sequentially disposed inward from the inner wall of the single-layer steel tank body. The single-layer tank body is provided with a monitoring port, a manhole and a lifting lug.
Further, the primer layer is used to increase the adhesive strength between the single-layer can body and the inner liner outer layer, and the primer layer is formed by coating a resin on the inner wall of the single-layer can body. The resin in the primer layer may be, for example, a thermosetting resin or a thermoplastic resin, and the primer layer serves to reinforce the single-layer can body and to enhance the bonding strength between the single-layer can body and the outer layer of the liner.
The bonding strength between the bottom coating and the inner wall of the single-layer tank body is more than or equal to 5.5 MPa. And an annular reinforcing rib cover plate is arranged at the annular reinforcing rib of the channel steel of the single-layer tank body.
Further preferably, the outer and inner liners are joined around the manhole neck and form a sealing edge to the intermediate liner.
Preferably, the thickness of the outer layer of the lining is more than or equal to 4mm, the middle layer of the lining is ensured to be all-directionally communicated at 360 degrees, and the height is more than or equal to 3 mm; the thickness of the inner layer of the lining is more than or equal to 4 mm.
More preferably, the static conductive layer is coated on the inner lining layer, and the surface resistivity is not less than 109Ω。
A transformation method of a single-layer oil tank sequentially comprises the following steps:
s1, preparation of a construction site;
s2, cleaning the single-layer oil tank and monitoring combustible gas in the single-layer oil tank;
s3, removing rust on the inner surface of the single-layer oil tank by using a sand blasting process;
s4, checking the thickness of the single-layer oil tank to ensure that the thickness is more than or equal to 4 mm;
s5, repairing the corroded and punched holes of the tank body of the single-layer oil tank by using an aluminothermic process;
s6, coating a base coat on the inner wall of the single-layer oil tank after rust removal to ensure that the bonding strength between the base coat and the wall of the single-layer oil tank is more than or equal to 5.5 MPa;
s7, installing an annular reinforcing rib cover plate at the annular reinforcing rib of the channel steel of the single-layer oil tank, reconstructing a manhole of the single-layer oil tank, and combining the outer lining layer and the inner lining layer at the periphery of the manhole neck to form a sealing edge of the middle lining layer;
s8, brushing an electrostatic conductive layer on the surface of the inner lining layer, wherein the surface resistivity is more than or equal to 109Ω。
Further, in step S3, the derusting grade is more than or equal to SA 2.5; in step S7, the thickness of the outer layer of the lining is more than or equal to 4 mm; the thickness of the inner layer of the lining is more than or equal to 4 mm.
The following detailed description is given with reference to specific embodiments.
Example 1:
the transformation method of the single-layer oil tank specifically comprises the following steps:
firstly, cleaning an operation well and sealing an oil inlet pipeline and an oil outlet pipeline;
step two, cleaning residual oil and cleaning an oil tank;
step three, replacing the air in the tank and monitoring combustible gas;
fourthly, performing sand blasting on the inner surface of the oil tank to remove rust, wherein the rust removal grade is not lower than SA 2.5;
fifthly, checking the thickness of the steel tank body, wherein the average thickness is not less than 4 mm;
sixthly, repairing the corroded and punched hole of the steel tank body by using an aluminothermic method according to the mode shown in the figure 1;
seventhly, coating a bottom coating on the inner wall of the oil tank within 8 hours after rust removal, wherein the bottom coating mainly has the functions of increasing the bonding strength between the steel tank body and the outer layer of the lining, protecting the inner surface of the steel tank from corrosion, and preventing the bonding strength between the bottom coating and the steel tank body from being lower than 5.5 MPa;
eighthly, mounting an annular reinforcing rib cover plate at the annular reinforcing rib of the channel steel;
ninth, the inner lining reconstruction at the manhole can be carried out according to the different requirements of owners by single-layer reconstruction according to the figure 2 or double-layer reconstruction according to the figure 3, and the static conducting layer is directly contacted with the steel tank body at the manhole, so that the charge on the inner surface of the oil tank is led out through the grounding device of the steel tank body;
tenth, combining the outer lining layer and the inner lining layer at the periphery of the manhole neck to form a sealing edge of the middle lining layer;
step eleven, constructing the outer layer of the lining structure, wherein the thickness is not less than 4 mm;
step ten, constructing an intermediate layer of the lining structure, wherein the intermediate layer is required to be ensured to be in all-directional communication at 360 degrees, and the height is not less than 3 mm;
step thirteen, constructing the inner layer of the lining structure, wherein the thickness is not less than 4 mm;
fourteenth, coating the static conductive pattern layer on the surface of the inner layer of the lining structure, wherein the surface resistivity is not less than 109Ω。
Example 2:
the connecting part of the annular reinforcing rib and the triangular support is processed in the following way:
and the lining middle layer is wrapped by adopting a mode of simultaneously covering the lining inner layer outwards and the lining outer layer inwards to form a complete and sealed lining structure middle layer.
Example 3:
the invention relates to a lining double-layer oil tank structure which comprises a single-layer steel tank body 1 and a lining structure, wherein the lining structure comprises a bottom coating 2, a lining outer layer 3, a lining middle layer 4, a lining inner layer 5 and an electrostatic conducting layer 6 which are sequentially arranged inwards from the inner wall of the single-layer steel tank body, and a monitoring port, a manhole and a lifting lug are arranged on the single-layer tank body.
Comparative example 1:
CN107600764A discloses an independently-bearing buried oil tank lining structure and a process thereof, and the structure comprises a tank body, wherein the tank body is provided with a monitoring port, a manhole, a lifting lug and a manhole operating well seat, and the tank body is internally provided with a main tank, an inner lining outer layer, a through gap layer, an inner lining layer and an electrostatic conducting layer from outside to inside.
Compared with the prior art, the dry ice rust removal process is adopted in the improvement, so that the construction safety is improved; the compressive strength of the tank body can be independently borne by increasing the thickness of the glass fiber reinforced plastic, so that the service life of the tank body is prolonged; the vacuum detection technology does not open holes in the monitoring well or the oil tank body, and the oil tank lining transformation without field excavation is really realized.
The processing method for the reinforcing ribs of the lining reconstruction oil tank, provided by the invention, can effectively solve the influence of the reinforcing ribs on the lining construction reconstruction.
The parts which are not described in the invention can be realized by taking the prior art as reference.
It should be noted that: any equivalents or obvious modifications thereof which may occur to persons skilled in the art and which are given the benefit of this description are deemed to be within the scope of the invention.
Claims (10)
1. The utility model provides a lining double-deck oil tank structure, its includes the individual layer jar body and lining structure, its characterized in that: the lining structure comprises a bottom coating, an outer lining layer, a middle lining layer, an inner lining layer and an electrostatic conducting layer which are sequentially arranged inwards from the inner wall of the single-layer tank body.
2. The double-layer tank lining structure as claimed in claim 1, wherein: the single-layer tank body is provided with a monitoring port, a manhole and a lifting lug.
3. The double-layer tank lining structure as claimed in claim 1, wherein: the primer layer is used for increasing the bonding strength between the single-layer tank body and the inner lining outer layer, and is formed by coating resin on the inner wall of the single-layer tank body.
4. A lining double layer tank structure as claimed in claim 3, wherein: the bonding strength between the bottom coating and the inner wall of the single-layer tank body is more than or equal to 5.5 MPa.
5. A lining double layer tank structure as claimed in claim 3, wherein: and an annular reinforcing rib cover plate is arranged at the annular reinforcing rib of the channel steel of the single-layer tank body.
6. A lining double layer tank structure as claimed in claim 3, wherein: the inner and outer layers are bonded around the manhole neck and form the sealing edge of the inner layer.
7. A lining double layer tank structure as claimed in claim 3, wherein: the thickness of the outer layer of the lining is more than or equal to 4mm, the middle layer of the lining is guaranteed to be in all-directional communication at 360 degrees, and the height of the middle layer of the lining is more than or equal to 3 mm; the thickness of the inner layer of the lining is more than or equal to 4 mm.
8. The double-layer oil tank structure with the lining as claimed in any one of claims 1 to 7, wherein: the static conductive layer is coated on the inner layer of the lining, and the surface resistivity is more than or equal to 109Ω。
9. The transformation method of the single-layer oil tank is characterized by sequentially comprising the following steps of:
s1, preparation of a construction site;
s2, cleaning the single-layer oil tank and monitoring combustible gas in the single-layer oil tank;
s3, removing rust on the inner surface of the single-layer oil tank by using a sand blasting process;
s4, checking the thickness of the single-layer oil tank to ensure that the thickness is more than or equal to 4 mm;
s5, repairing the corroded and punched holes of the tank body of the single-layer oil tank by using an aluminothermic process;
s6, coating a base coat on the inner wall of the single-layer oil tank after rust removal to ensure that the bonding strength between the base coat and the wall of the single-layer oil tank is more than or equal to 5.5 MPa;
s7, installing an annular reinforcing rib cover plate at the annular reinforcing rib of the channel steel of the single-layer oil tank, reconstructing a manhole of the single-layer oil tank, and combining the outer lining layer and the inner lining layer at the periphery of the manhole neck to form a sealing edge of the middle lining layer;
s8, brushing an electrostatic conductive layer on the surface of the inner lining layer, wherein the surface resistivity is more than or equal to 109Ω。
10. A method of retrofitting a single layer tank as claimed in claim 9, wherein: in step S3, the derusting grade is more than or equal to SA 2.5; in step S7, the thickness of the outer layer of the lining is more than or equal to 4 mm; the thickness of the inner layer of the lining is more than or equal to 4 mm.
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| CN201911352186.6A CN113023147A (en) | 2019-12-25 | 2019-12-25 | Lining double-layer oil tank structure and transformation method of single-layer oil tank |
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| CN201911352186.6A CN113023147A (en) | 2019-12-25 | 2019-12-25 | Lining double-layer oil tank structure and transformation method of single-layer oil tank |
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| WO2017206029A1 (en) * | 2016-05-30 | 2017-12-07 | 深圳市百事达卓越科技股份有限公司 | Method for retrofitting oil tank in non-excavated way |
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| CN108457612A (en) * | 2018-03-12 | 2018-08-28 | 刘屹凡 | A kind of petroleum casing pipe chemical method restorative procedure |
| CN109319322A (en) * | 2017-08-09 | 2019-02-12 | 中国石油化工股份有限公司 | The double-deck sunken tankers and single layer sunken tankers remodeling method |
| CN109319318A (en) * | 2017-08-09 | 2019-02-12 | 中国石油化工股份有限公司 | Structure and the double-deck sunken tankers at single layer sunken tankers transformation reinforcing rib |
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2019
- 2019-12-25 CN CN201911352186.6A patent/CN113023147A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1005606A3 (en) * | 1992-02-26 | 1993-11-16 | Meykens Jaak | Procedure for improving a tank, an element used for this purpose and animproved tank made this way |
| CA2431599A1 (en) * | 2003-06-10 | 2003-11-15 | Pluracom Atlantic | Oil tank protective coating |
| CN202346218U (en) * | 2011-10-19 | 2012-07-25 | 中国石油化工股份有限公司 | Anti-static type buried double-layer oil tank |
| CN204489700U (en) * | 2015-02-12 | 2015-07-22 | 东莞市丰华印铁制罐有限公司 | An oil storage tank with an explosion-proof sun-proof layer |
| WO2017206029A1 (en) * | 2016-05-30 | 2017-12-07 | 深圳市百事达卓越科技股份有限公司 | Method for retrofitting oil tank in non-excavated way |
| CN109319322A (en) * | 2017-08-09 | 2019-02-12 | 中国石油化工股份有限公司 | The double-deck sunken tankers and single layer sunken tankers remodeling method |
| CN109319318A (en) * | 2017-08-09 | 2019-02-12 | 中国石油化工股份有限公司 | Structure and the double-deck sunken tankers at single layer sunken tankers transformation reinforcing rib |
| CN107600764A (en) * | 2017-08-31 | 2018-01-19 | 北京中储能能源设备有限公司 | The sunken tankers lining structure and its technique of a kind of independent bearing |
| CN108457612A (en) * | 2018-03-12 | 2018-08-28 | 刘屹凡 | A kind of petroleum casing pipe chemical method restorative procedure |
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Application publication date: 20210625 |
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