CN109319320A - Steel oil tank inner lining structure and liner reforming technology - Google Patents
Steel oil tank inner lining structure and liner reforming technology Download PDFInfo
- Publication number
- CN109319320A CN109319320A CN201811267965.1A CN201811267965A CN109319320A CN 109319320 A CN109319320 A CN 109319320A CN 201811267965 A CN201811267965 A CN 201811267965A CN 109319320 A CN109319320 A CN 109319320A
- Authority
- CN
- China
- Prior art keywords
- layer
- oil tank
- epoxy resin
- lining cloth
- tank inner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B65D90/022—Laminated structures
-
- 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
- B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
- B65D90/505—Arrangements of indicating or measuring devices of leakage-indicating devices comprising porous spaces or porous layers in walls
-
- 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
Abstract
The invention discloses a kind of steel oil tank inner lining structures, the inside of the outside adhesive epoxy resin glass fibre mixing internal layer of its conductive coating, the inside of the outer side bonds priming coat of epoxy resin fiberglass mixing outer layer, the inside of the outer side bonds steel can wall of outer side bonds priming coat, the inside of outer side bonds the second lining cloth layer of epoxy resin fiberglass mixing internal layer, the inside of the outer side bonds honeycomb core layer of second lining cloth layer, the inside of outer side bonds the first lining cloth layer of honeycomb sandwich layer, the inside of the outside adhesive epoxy resin glass fibre mixing outer layer of first lining cloth layer;The interior side port of each honeycomb slot of honeycomb sandwich layer is sealed by the second lining cloth layer, and the exterior side port of each honeycomb slot is sealed by the first lining cloth layer.The present invention has higher intensity.
Description
Technical field
The present invention relates to the environmental transformation fields of gas station, are transformed in particular to a kind of steel oil tank inner lining structure and liner
Technique.
Background technique
Gas station's cylinder of steel liner renovation technique relies on the steel structure of original sunken tankers, successively makes inside it compound
Material outer layer, middle layer, composite inner, to form complete multilayered structure.The oil tank finished, which is transformed, has same FF (glass
Steel composite material two-compartment oil tank) the identical performance of two-compartment oil tank, and structural strength is more excellent.Gas station's cylinder of steel in the prior art
Liner uses steel can, priming coat, epoxy resin fiberglass mixing outer layer (outer layer tank), lining cloth, 3D fabric/3D aluminium foil (such as
Shown in Figure 4 and 5), lining cloth, epoxy resin fiberglass mixing internal layer and conductive coating composite construction, 3D is knitted in this structure
Object or 3D aluminium foil compression strength are lower, affect the intensity of entire gas station's cylinder of steel liner, in addition, applying in traditional manual transformation
In work method, needs 2~3 people to enter in buried horizontal tank by manhole, is laid with using glass fabric to oil tank inner surface,
And being stained with resin brushing to oil tank inner surface using roller makes glass fibre be impregnated with resin.This process can expend a large amount of people
Power, material resources, inefficiency.It, can be with the styrene of higher concentration in the oil tank of relative closure and during round brush resin
And other organic volatiles, certain injury can be caused to human body, construction safety coefficient is low.
Summary of the invention
Present invention aim to provide a kind of steel oil tank inner lining structure and liner reforming technology, inner lining structure tool
There is higher intensity, and the production efficiency of the inner lining structure is higher.
In order to achieve this, a kind of steel oil tank inner lining structure designed by the present invention, it is characterised in that: it includes steel
Tank skin, priming coat, epoxy resin fiberglass mixing outer layer, epoxy resin fiberglass mixing internal layer and conductive coating, wherein
The inside of the outside adhesive epoxy resin glass fibre mixing internal layer of conductive coating, epoxy resin fiberglass mixing outer layer it is outer
The inside of side bonds priming coat, the inside of the outer side bonds steel can wall of outer side bonds priming coat, it further include the first lining cloth layer,
Honeycomb sandwich layer and the second lining cloth layer, the inside of outer side bonds the second lining cloth layer of the epoxy resin fiberglass mixing internal layer,
The inside of the outer side bonds honeycomb core layer of second lining cloth layer, the inside of outer side bonds the first lining cloth layer of honeycomb sandwich layer, the first lining
The inside of the outside adhesive epoxy resin glass fibre mixing outer layer of layer of cloth;The inner end of each honeycomb slot of the honeycomb sandwich layer
Mouth is sealed by the second lining cloth layer, and the exterior side port of each honeycomb slot is sealed by the first lining cloth layer.
A kind of reforming technology of steel oil tank inner lining structure, it includes following feature:
Step 1: in oil tank internal forced ventilation and detect, by gas concentration remaining in oil tank be down to explosion limit with
Under;
Step 2: after the clear tank of oil tank, derusting to oil tank inner surface;
Step 3: oil tank inner surface spray epoxy primer, formed priming coat, while epoxy primer to oil tank inner surface into
Row is repaired;
Step 4: the spray epoxy glass fibre mixing outer layer on priming coat;
Step 5: production middle gap layer, middle gap layer use 1~3.5mm thickness honeycomb sandwich layer, honeycomb sandwich layer two sides point
Not Tong Guo the first lining cloth layer and the second lining cloth layer sealing, and in each honeycomb slot of honeycomb sandwich layer be filled with oil body leak detection
Medium, the first lining cloth layer are Nian Jie with epoxy resin fiberglass mixing outer layer;
Step 6: the spray epoxy glass fibre mixing internal layer on the second lining cloth layer;
Step 7: brushing or spray conductive coating on epoxy resin fiberglass mixing internal layer.
Middle gap layer uses aluminum or honeycomb sandwich layer made of paper, the inside of each honeycomb slot of honeycomb sandwich layer in the present invention
Port is sealed by the second lining cloth layer, and the exterior side port of each honeycomb slot is sealed by the first lining cloth layer.Improve steel oil tank
The overall structural strength of liner.Compared with convention liner interlayer structure, traditional structure is using 3D fabric as shown in fig. 4 or 5
Or the aluminium sheet with salient point, bearing capacity is not high, and it is limited to the supporting role of inner lining structure China and foreign countries layer tank and internal layer tank, and make
With honeycomb of the present invention, bearing capacity is greatly promoted.
Process in the present invention mixes derusting, production epoxy resin fiberglass for the transformation of middle gap layer
It closes the processing steps such as beyond the region of objective existence layer, production epoxy resin fiberglass mixture internal layer and carries out automation improvement.Realize related process
The adjusting and modification of parameter.To realize the safe and efficient of reforming technology.Prior art is artificial laying glass mat, then
Hand paste resin makes resin-impregnated fiberglass felt, forms structural body after solidification.This technique be mechanical arm spray automatically resin and
Short glass fiber mixture forms structural body after finally solidifying.
In addition, the present invention uses novel intermediate layer material (cellular material), convenient for being laid with molding, processing efficiency is improved.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is process flow chart of the invention;
Fig. 3 is the structural schematic diagram of honeycomb sandwich layer in the present invention;
Fig. 4 is the structural schematic diagram of existing 3D fabric intermediate;
Fig. 5 is the structural schematic diagram of existing 3D aluminium foil interlayer.
Wherein, 1-steel tank skin, 2-priming coats, 3-epoxy resin fiberglass mixing outer layers, the 4-the first lining cloth layer,
In 5-honeycomb sandwich layers, 5.1-honeycomb slots, 5.2-through holes, the 6-the second lining cloth layer, 7-epoxy resin fiberglass mix
Layer, 8-conductive coatings
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
A kind of steel oil tank inner lining structure designed by the present invention, as shown in figs. 1 and 3, it includes steel tank skin 1, primary coat
Layer 2, epoxy resin fiberglass mixing outer layer 3, epoxy resin fiberglass mixing internal layer 7 and conductive coating 8, wherein conductive
The inside of the outside adhesive epoxy resin glass fibre mixing internal layer 7 of coating 8, epoxy resin fiberglass mixing outer layer 3 it is outer
The inside of side bonds priming coat 2, the outside of outer side bonds priming coat 2 are bonded the inside of steel tank skin 1 by resin and bonding agent,
It further includes the first lining cloth layer 4, honeycomb sandwich layer 5 and the second lining cloth layer 6, the epoxy resin fiberglass mixing internal layer 7 it is outer
The inside of the second lining cloth of side bonds layer 6, the outside of the second lining cloth layer 6 are bonded the inside of honeycomb sandwich layer 5 by resin and bonding agent,
The outside of honeycomb sandwich layer 5 is bonded the inside of the first lining cloth layer 4, the outside adhesive ring of the first lining cloth layer 4 by resin and bonding agent
The inside of oxygen plexiglas fiber mixing outer layer 3;The interior side port of each honeycomb slot 5.1 of the honeycomb sandwich layer 5 is by second
Lining cloth layer 6 seals, and the exterior side port of each honeycomb slot 5.1 is sealed by the first lining cloth layer 4.
In above-mentioned technical proposal, steel tank skin 1 ensure that integral lining structure has certain intensity.Priming coat 2 improves
The bonding force of epoxy resin fiberglass mixing outer layer 3 and steel tank skin 1.Using resin and bonding agent the first lining cloth layer
4, honeycomb sandwich layer 5, the second lining cloth layer 6 and epoxy resin fiberglass mixing outer layer 3 and epoxy resin fiberglass mixing internal layer 7
Bonding securely, makes total have higher structural strength.Epoxy resin fiberglass mixing internal layer 7 makes entire inner lining structure
With high Corrosion Protection, conductive layer 8 makes total have good electrostatic conductive performance, it is therefore prevented that electrostatic gathers.
In above-mentioned technical proposal, it is used to filling oil body leak detection in each honeycomb slot 5.1 of the honeycomb sandwich layer 5 and is situated between
Matter.The oil body leak detection medium is compressed air or calcium chloride solution.External equipment passes through to oil body leak detection medium
Detection come determine liner with the presence or absence of oil body leakage the case where.The pressure change that can detecte medium, also can detecte medium
In material composition variation, the case where to determine whether there is oil leak.
In above-mentioned technical proposal, epoxy resin fiberglass mixing outer layer 3 and epoxy resin fiberglass mixing internal layer 7 are used
Anticorrosion, antiseep in oil tank outer tank skin.
In above-mentioned technical proposal, the thickness range of the honeycomb sandwich layer 5 is 1~3.5mm.Above-mentioned size range is convenient in bee
Production perforation pore structure, is laid on curved surface on nest core convenient for honeycomb core.
In above-mentioned technical proposal, the priming coat 2 is the epoxy primer (preferably 0.5mm) of 0.4~0.6mm, the ring
The thickness range of oxygen plexiglas fiber mixing outer layer 3 and epoxy resin fiberglass mixing internal layer 7 be 3~5mm (preferably
4mm), the thickness range of the conductive coating 8 is 0.1~0.3mm (preferably 0.2mm).
In above-mentioned technical proposal, the honeycomb sandwich layer 5 is aluminum honeycomb sandwich layer or paper honeycomb sandwich layer.
In above-mentioned technical proposal, each 5.1 side wall of honeycomb slot is equipped with through hole 5.2, and adjacent honeycomb slot 5.1 divides
Not Tong Guo corresponding through hole 5.2 be connected to, as shown in Figure 3.Through hole 5.2 is convenient for the circulation of filled media.Good circulation
Monitoring point is set only with being arranged at the one of oil tank, to be convenient for whole detection.
A kind of reforming technology of steel oil tank inner lining structure, as shown in Fig. 2, it includes following feature:
Step 1: in oil tank internal forced ventilation and detect, by gas concentration remaining in oil tank be down to explosion limit with
Under;If there is support construction inside oil tank, allow to be removed after calculating intensity;
Step 2: after the clear tank of oil tank, derusting to oil tank inner surface;
Step 3: in the oxygen priming paint of oil tank inner surface spraying ring thickness about 0.5mm, forming priming coat 2, increase resin bonding
Power, while epoxy primer repairs oil tank inner surface;
Step 4: by mechanical arm using injection in the way of automatic spray epoxy and glass mixture, can also directly spray
It resinizes, and solidifies, form the epoxy resin fiberglass mixing outer layer 3 of thickness about 4mm on priming coat 2;
Step 5: production middle gap layer, middle gap layer use 1~3.5mm thickness honeycomb sandwich layer 5,5 two sides of honeycomb sandwich layer
It is sealed respectively by the first lining cloth layer 4 and the second lining cloth layer 6, and is filled with oil body in each honeycomb slot 5.1 of honeycomb sandwich layer 5
Leak detection medium, the first lining cloth layer 4 are Nian Jie with epoxy resin fiberglass mixing outer layer 3;
Step 6: by mechanical arm, automatic spray epoxy and glass are mixed in the way of injection on the second lining cloth layer 6
Object is closed, and is solidified, the spray epoxy glass fibre mixing internal layer 7 of molding thickness about 4mm;
Step 7: brushing or spray conductive coating on epoxy resin fiberglass mixing internal layer 7.
Remaining gas concentration is lower than 1% in oil tank in the step 1 of above-mentioned technical proposal.
In the step 2 of above-mentioned technical proposal, after the clear tank of oil tank, integrate rust removalling equipment using mechanical arm, using sandstone and
High pressure water mixing carries out automatic compressed-air blast cleaning to oil tank inner surface, and descaling process is few, easy to clean without Mars, dust;
In the step 3, measure priming coat 2 and oil tank inner surface pulling-out force, guarantee pulling-out force >=5.5MPa, guarantee at
Inner lining structure after type is not fallen off with original cylinder of steel.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of steel oil tank inner lining structure, it is characterised in that: it includes steel tank skin (1), priming coat (2), epoxy resin glass
Glass fiber mixing outer layer (3), epoxy resin fiberglass mixing internal layer (7) and conductive coating (8), wherein conductive coating (8)
The outside of the inside of outside adhesive epoxy resin glass fibre mixing internal layer (7), epoxy resin fiberglass mixing outer layer (3) is viscous
Connect the inside of priming coat (2), the inside of the outer side bonds steel can wall (1) of outer side bonds priming coat (2), which is characterized in that it
It further include the first lining cloth layer (4), honeycomb sandwich layer (5) and the second lining cloth layer (6), the epoxy resin fiberglass mixing internal layer
(7) inside of outer side bonds the second lining cloth layer (6), the inside of the outer side bonds honeycomb core layer (5) of the second lining cloth layer (6), bee
The inside of outer side bonds the first lining cloth layer (4) of nest sandwich layer (5), the outside adhesive epoxy resin glass fibers of the first lining cloth layer (4)
The inside of dimension mixing outer layer (3);The interior side port of each honeycomb slot (5.1) of the honeycomb sandwich layer (5) is by the second lining cloth layer
(6) it seals, the exterior side port of each honeycomb slot (5.1) is sealed by the first lining cloth layer (4).
2. steel oil tank inner lining structure according to claim 1, it is characterised in that: each bee of the honeycomb sandwich layer (5)
Oil body leak detection medium is filled in socket (5.1).
3. steel oil tank inner lining structure according to claim 1, it is characterised in that: the thickness model of the honeycomb sandwich layer (5)
It encloses for 1~3.5mm.
4. steel oil tank inner lining structure according to claim 2, it is characterised in that: the oil body leak detection medium is pressure
Contracting air or calcium chloride solution.
5. steel oil tank inner lining structure according to claim 1, it is characterised in that: the priming coat (2) be 0.4~
The epoxy primer of 0.6mm, the epoxy resin fiberglass mixing outer layer (3) and epoxy resin fiberglass mixing internal layer (7)
Thickness range be 3~5mm, the thickness range of the conductive coating (8) is 0.1~0.3mm.
6. steel oil tank inner lining structure according to claim 1, it is characterised in that: the honeycomb sandwich layer (5) is aluminum honeycomb
Sandwich layer or paper honeycomb sandwich layer.
7. steel oil tank inner lining structure according to claim 2, it is characterised in that: each honeycomb slot (5.1) side wall
It is equipped with through hole (5.2), adjacent honeycomb slot (5.1) is connected to by corresponding through hole (5.2) respectively.
8. a kind of reforming technology of steel oil tank inner lining structure, which is characterized in that it includes following feature:
Step 1: in oil tank internal forced ventilation and detecting, gas concentration remaining in oil tank is down to explosion limit or less;
Step 2: after the clear tank of oil tank, derusting to oil tank inner surface;
Step 3: spraying epoxy primer in oil tank inner surface, formed priming coat (2), while epoxy primer carries out oil tank inner surface
It repairs;
Step 4: the spray epoxy glass fibre mixing outer layer (3) on priming coat (2);
Step 5: production middle gap layer, middle gap layer use 1~3.5mm thickness honeycomb sandwich layer (5), honeycomb sandwich layer (5) two sides
It is sealed by the first lining cloth layer (4) and the second lining cloth layer (6), and is filled out in each honeycomb slot (5.1) of honeycomb sandwich layer (5) respectively
Filled with oil body leak detection medium, the first lining cloth layer (4) is Nian Jie with epoxy resin fiberglass mixing outer layer (3);
Step 6: the spray epoxy glass fibre mixing internal layer (7) on the second lining cloth layer (6);
Step 7: brushing or spray conductive coating on epoxy resin fiberglass mixing internal layer (7).
9. the reforming technology of steel oil tank inner lining structure according to claim 8, it is characterised in that: oily in the step 1
Remaining gas concentration is lower than 1% in tank.
10. the reforming technology of steel oil tank inner lining structure according to claim 8, it is characterised in that: in the step 2,
After the clear tank of oil tank, rust removalling equipment is integrated using mechanical arm, is mixed using sandstone and high pressure water, oil tank inner surface is carried out automatic
Compressed-air blast cleaning;
In the step 3, the pulling-out force of priming coat (2) and oil tank inner surface is measured, guarantees pulling-out force >=5.5MPa.
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CN201811267965.1A CN109319320B (en) | 2018-10-29 | 2018-10-29 | Steel oil tank lining structure and lining transformation process |
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CN201811267965.1A CN109319320B (en) | 2018-10-29 | 2018-10-29 | Steel oil tank lining structure and lining transformation process |
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CN109319320A true CN109319320A (en) | 2019-02-12 |
CN109319320B CN109319320B (en) | 2020-06-09 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110015518A (en) * | 2019-05-14 | 2019-07-16 | 河北澳科中意环保科技有限公司 | A kind of reinforcing oil storage tank and oil tank reinforcement process |
CN111717556A (en) * | 2020-06-23 | 2020-09-29 | 湖北吉奥特安全科技有限公司 | Construction process for preventing leakage of oil tank |
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JPH06219493A (en) * | 1993-01-19 | 1994-08-09 | Shibazaki:Kk | Unit panel for assembling water tank |
CN107284887A (en) * | 2017-06-16 | 2017-10-24 | 华东理工大学华昌聚合物有限公司 | A kind of underground oil tank of gasoline station inner lining structure and its construction method |
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CN207536559U (en) * | 2017-08-31 | 2018-06-26 | 北京中储能能源设备有限公司 | A kind of double-layer thin wall oil tank |
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JPH06219493A (en) * | 1993-01-19 | 1994-08-09 | Shibazaki:Kk | Unit panel for assembling water tank |
CN107284887A (en) * | 2017-06-16 | 2017-10-24 | 华东理工大学华昌聚合物有限公司 | A kind of underground oil tank of gasoline station inner lining structure and its construction method |
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 |
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