CN106493510A - A kind of manufacture method of large-scale vault pin-connected panel asphalt storage - Google Patents
A kind of manufacture method of large-scale vault pin-connected panel asphalt storage Download PDFInfo
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- CN106493510A CN106493510A CN201611048491.2A CN201611048491A CN106493510A CN 106493510 A CN106493510 A CN 106493510A CN 201611048491 A CN201611048491 A CN 201611048491A CN 106493510 A CN106493510 A CN 106493510A
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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
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
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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
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/04—Making metal objects by operations essentially involving machining but not covered by a single other subclass involving slicing of profiled material
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to a kind of manufacture method of large-scale vault pin-connected panel asphalt storage, makes including tank body and tank deck makes two parts, wherein tank body manufacturing process includes：1) blanking and molding；2) retaining wall on slope；3) tank shell group pair；4) weld；5) drill；6) application；The manufacturing process of tank deck plate includes：1) blanking；2) each portion's molding；3) group to, prepackage, welding；4) application；The present invention by carrying out strict operation control to tank body and tank deck manufacturing process, it is ensured that each several part makes precision and welding quality, and in-site installation first-time qualification rate reaches more than 90%.
Description
Technical field
The present invention relates to a kind of manufacture method of large-scale storage tank, more particularly to a kind of large-scale vault pin-connected panel asphalt storage
Manufacture method.
Background technology
The removable asphalt tank of pin-connected panel is the comprehensive Colophonium heating storage facilities for integrating fast heat, energy-saving and environmental protection.Have
Easy accessibility, flexibly, energy-saving, efficient quick, the features such as reusable, is widely used in highway, oil, change for transition
The fields such as work, logistics, market potential are huge, economic benefits.
In recent years, as the continuous adjustment of market demands, the volume of asphalt storage are continued to increase, maximum volume specification reaches
Arrive 5000m3More than, making, transport, in-site installation and transhipment for convenience can only adopt splicing structure, be proof strength,
5000m3Made using Q235 steel more than following asphalt storage tank body, 5000m3Made using 16Mn steel more than above asphalt storage tank body.
There are several critical process directly to determine the total quality of asphalt storage in vault pin-connected panel asphalt storage manufacturing process,
Such as：The setting-out and rolling molding of arch tank deck spherical arc, tank shell blanking diagonal allowance control, tank shell arc surface into
Type control, tank deck plate and the control of tank shell fishplate bar butt weld welding quality, link bolt hole precision controlling etc..Several passes above
If the control of key process is bad, the installment work after asphalt storage is reached the spot is directly affected, such as dimensional discrepancy is excessive, arc
Shape deviation is excessive, bolt hole positional precision not enough causes in-site installation group to difficulty, can only be reprocessed or be remake, seriously
Affect the normal development of duration and subsequent construction.
Content of the invention
The invention provides a kind of manufacture method of large-scale vault pin-connected panel asphalt storage, by making to tank body and tank deck
Process carries out strict operation control, it is ensured that each several part makes precision and welding quality, and in-site installation first-time qualification rate reaches
More than 90%.
In order to achieve the above object, the present invention employs the following technical solutions realization：
A kind of manufacture method of large-scale vault pin-connected panel asphalt storage, makes including tank body and tank deck makes two parts, its
In：
First, tank body manufacturing process：
Tank body is to be enclosed formed columnar structured by multiple structures, equivalently-sized tank shell, and each tank shell is indirectly
Overlapping mode, lap-joint is adopted to connect by high-strength bolt at seam；Each tank shell is by curved panel, tank bottoms flange, straight muscle
Plate and arc gusset composition, wherein curved panel are made up of plurality of steel plates splicing, and which longitudinally corresponds to high the taking to, curved panel of tank body
The place of connecing side is provided with liner plate, and opening up 2 row's bolts hole on curved panel and liner plate side by side is used for wearing high-strength bolt；Curved panel
Inner side is provided with the straight gusset of multiple tracks along longitudinal direction, is transversely provided with multiple tracks arc gusset, forms latticed adding between straight gusset and arc gusset
Strong muscle structure；Tank body manufacturing process is as follows：
1) blanking and molding；
Curved panel adopts plate shearing machine for blanking, blanking deviation control accuracy：Width dimensions deviation≤± 1mm, diagonal are missed
Difference≤± 1.5mm；Curved panel adopts three rolls plate bending machine roll-forming, is checked with arc model, it is ensured that its radian and shape essence
Degree meets design requirement；Tank bottoms flange, straight gusset, arc gusset and liner plate are respectively adopted automatic gas cutting machine scale blanking；
2) retaining wall on slope；
For splicing between the steel plate of curved panel for butt weld, using symmetric double groove, curved panel and liner plate it
Between be angle welding, using single groove；Positioning clamping fixture protection beveling and cutting angle and size is respectively adopted during retaining wall on slope；
3) tank shell group pair；
Tank shell group pair is carried out by drawing；Ensure its centrage same during each steel plate group pair for wherein constituting curved panel
On straight line, radian error≤1.5mm, mismatch≤1.0mm；Tank bottoms flange, straight gusset and arc gusset are each perpendicular to curved panel,
Liner plate and curved panel joint place gap L T.LT.LT 3mm；Each several part group uses spot welding fixed position to rear；
4) weld；
On the inside of curved panel, steel plate joint adopts gas shielded arc welding, outside plate joint to adopt Lincoln weld, even
Continuous full weld；As on curved panel, butt weld is arching trajectory, it is to ensure automatic welding quality, Lincoln weld trolley travelling rail
Road is made according to the radian of curved panel, automatic submerged-arc welding machine arcuately track traveling during welding, it is ensured that its welding gun and steel plate it
Between distance constant；
CO is adopted between curved panel and tank bottoms flange, between curved panel and liner plate2Gas shielded arc welding, arc gusset and straight
Welded using discontinuous welding between gusset and curved panel, spacing welds the long weld seams of 50～100mm, curved panel for 150～200mm of interval
With adopt angle welding on the outside of liner plate, curved panel and liner plate binding face adopt the multiple spot plug welding, 14～∮ of plug welding hole ∮ 20, spacing to be
200～300mm；
5) drill；
The form accuracy after integrated connection precision and assembly for guarantee tank body, the bolt hole of each tank shell stitching portion and phase
The tank shell of cooperation carries out, with simultaneously marking is bored, adopting clamping fixture for drilling to ensure bore position precision, spot-facing after drilling during drilling；
6) application；
Overall sanding and Local Artificial grinding process, painting anti-corrosive primer 1～2 time, dark asphalt paint 1 is carried out before tank body application
Time；
2nd, tank deck manufacturing process：
Tank deck is spherical, is made up of tank deck plate and top ends of cans, and the tank deck plate of polylith sector sphere combines to form tank deck
Body, top center set top ends of cans；Connected by high-strength bolt between tank deck plate；The panel of tank deck plate for up-narrow and down-wide and
Melon lobed structure with sphere, its both sides set arc-shaped angle steel skeleton, and inner side sets circular arc gusset, opens up spiral shell on arc-shaped angle steel skeleton
Keyhole is used for wearing high-strength bolt；The position that tank deck plate top is coordinated with top ends of cans sets arc plate, and bottom is engaged portion with tank body
Position sets connecting plate；The manufacturing process of tank deck plate is as follows：
1) blanking；
Before blanking first by spherical tank deck setting-out launch, according to expanded view make model, model combination errorless after can under
Material；Using automatic cutting, blanking, using during steel plate splicing first by steel plate to postwelding blanking again；
2) each portion's molding；
The panel of tank deck plate adopts three rolls plate bending machine roll-forming, because which is up-narrow and down-wide and the melon lobed with sphere
Structure, will control to rectify a deviation into guiding during plate and both sides when rolling, prevent inclined arc；Rolled tank deck plate face plate edge can not have
Distortion or wave defect, and fitted like a glove to arc with model inspection；
Arc-shaped angle steel skeleton, circular arc gusset and arc plate roll coincidence pattern standard, and arc-shaped angle steel skeleton rolls front brill
Good bolt hole；
3) group to, prepackage, welding；
Tank deck assembly mold is made, the mold is made up of shaped steel welding, and profile is cylindrical structure, highly with tank deck height
It is adapted；Each tank deck plate is circumferential assembled along mold successively, sets temporary rod, it is ensured that tank deck plate is not because of itself on the inside of tank ceiling panel
Gravity deforms；After the completion of each tank deck plate group pair, tank deck integrally carries out prepackage adjustment, it is ensured that tank deck height and upper and lower round mouth
Size, form accuracy；
After tank deck prepackage is qualified, using CO2Gas shielded arc welding welds each tank deck plate, chooses vertical position welding from the bottom up during welding,
Ask weldering meat full, must not have pore, slag inclusion or solder skip defect；Each tank deck plate is made marks respectively after the completion of welding, scene is by same
One order is installed；
4) application；
Overall sanding and Local Artificial grinding process, painting anti-corrosive primer 1～2 time, dark asphalt paint 1 is carried out before tank deck application
Time.
Compared with prior art, the invention has the beneficial effects as follows：
1) according to tank body and the architectural feature of tank deck each several part, using corresponding processing technology, the simple and direct smoothness of technical process,
Working (machining) efficiency and product qualified rate are high；
2) curved panel of tank shell is docked using plurality of steel plates, and butt welding adopts arc track, automatic welder welding gun
Constant with steel plate spacing, it is ensured that automatic welding quality；
3) spherical tank deck adopts three-dimensional setting-out to make model after launching, and its reproducibility is strong, and tank deck plate shape and size are smart
Degree is high；Using preassembling technique, it is ensured that the total quality after in-site installation；
4) all bolt hole is high using brill, in-site installation efficiency and first-time qualification rate is matched somebody with somebody.
Description of the drawings
Fig. 1 is the structural representation of large-scale vault pin-connected panel asphalt storage of the present invention.
Fig. 2 is the structural representation of tank shell of the present invention.
Fig. 3 is the structural representation of tank deck plate of the present invention.
Fig. 4 is the schematic diagram one for carrying out tank deck assembling using tank deck assembly mold of the present invention.(main view)
Fig. 5 is the schematic diagram two for carrying out tank deck assembling using tank deck assembly mold of the present invention.(vertical view)
In figure：1. 2. tank deck of tank body, 3. curved panel, 4. 5. straight gusset of tank bottoms flange, 6. arc gusset, 7. liner plate 8.
13. circular arc gusset of high-strength bolt 9. bolt hole, 10. tank deck plate, 11. top ends of cans, 12. arc-shaped angle steel skeleton, 14. arc plate
15. connecting plate, 16. tank deck assembly 17. temporary rod of mold
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further：
As shown in figure 1, a kind of manufacture method of large-scale vault pin-connected panel asphalt storage of the present invention, makes including tank body 1
Make and tank deck 2 makes two parts, wherein：
First, tank body manufacturing process：
Tank body 1 is to be enclosed formed columnar structured by multiple structures, equivalently-sized tank shell, and each tank shell is indirectly
Overlapping mode, lap-joint is adopted to connect by high-strength bolt 8 at seam；As shown in Fig. 2 each tank shell is by curved panel 3, tank
Bottom flange 4, straight gusset 5 and arc gusset 6 are constituted, and wherein curved panel 3 is made up of plurality of steel plates splicing, and which longitudinally corresponds to tank body 1
Gao Xiang, the lap-joint side of curved panel 3 are provided with liner plate 7, and opening up 2 row's bolts hole 9 on curved panel 3 and liner plate 7 side by side is used for
Wear high-strength bolt 8；The inner side of curved panel 3 is provided with the straight gusset 5 of multiple tracks along longitudinal direction, is transversely provided with multiple tracks arc gusset 6, straight muscle
Latticed reinforcing rib structure is formed between plate 5 and arc gusset 6；Tank body manufacturing process is as follows：
1) blanking and molding；
Curved panel 3 adopts plate shearing machine for blanking, blanking deviation control accuracy：Width dimensions deviation≤± 1mm, diagonal are missed
Difference≤± 1.5mm；Curved panel 3 adopts three rolls plate bending machine roll-forming, is checked with arc model, it is ensured that its radian and shape essence
Degree meets design requirement；Tank bottoms flange 4, straight gusset 5, arc gusset 6 and liner plate points 7 Cai Yong not automatic gas cutting machine scale blanking；
2) retaining wall on slope；
For splicing between the steel plate of curved panel 3 for butt weld, using symmetric double groove, curved panel 3 and liner plate 7
Between be angle welding, using single groove；Positioning clamping fixture protection beveling and cutting angle and size is respectively adopted during retaining wall on slope；
3) tank shell group pair；
Tank shell group pair is carried out by drawing；Ensure its centrage same during each steel plate group pair for wherein constituting curved panel 3
On one straight line, radian error≤1.5mm, mismatch≤1.0mm；Tank bottoms flange 4, straight gusset 5 and arc gusset 6 are each perpendicular to arc
Panel 3, liner plate 7 and 3 joint place gap L T.LT.LT 3mm of curved panel；Each several part group uses spot welding fixed position to rear；
4) weld；
3 inner side steel plate joint of curved panel adopts gas shielded arc welding, outside plate joint to adopt Lincoln weld, even
Continuous full weld；As on curved panel 3, butt weld is arching trajectory, it is to ensure automatic welding quality, Lincoln weld trolley travelling
Track is made according to the radian of curved panel 3, automatic submerged-arc welding machine arcuately track traveling during welding, it is ensured that its welding gun and steel plate
The distance between constant；
CO is adopted between curved panel 3 and tank bottoms flange 4, between curved panel 3 and liner plate 72Gas shielded arc welding, arc gusset
6 and straight welded using discontinuous welding between gusset 5 and curved panel 3, spacing is the long weld seams of interval 150～200mm, 50～100mm of weldering,
Adopt angle welding on the outside of curved panel 3 and liner plate 7, curved panel 3 and 7 binding face of liner plate adopt multiple spot plug welding, plug welding hole ∮ 14～
∮ 20, spacing are 200～300mm；
5) drill；
For ensure tank body 1 integrated connection precision and assembly after form accuracy, the bolt hole 9 of each tank shell stitching portion and
The tank shell being engaged carries out, with simultaneously marking is bored, adopting clamping fixture for drilling to ensure bore position precision, ream after drilling during drilling
Hole；
6) application；
Overall sanding and Local Artificial grinding process, painting anti-corrosive primer 1～2 time, dark asphalt paint is carried out before 1 application of tank body
1 time；
2nd, 2 manufacturing process of tank deck：
Tank deck 2 is spherical, is made up of tank deck plate 10 and top ends of cans 11, and the combination of tank deck plate 10 of polylith sector sphere is formed
The body of tank deck 2, top center set top ends of cans 11；Connected by high-strength bolt 8 between tank deck plate 10；As shown in figure 3, tank
The panel of top board 10 is up-narrow and down-wide and the melon lobed structure with sphere, and its both sides sets arc-shaped angle steel skeleton 12, and inner side sets circle
Arc gusset 13, opening up bolt hole 9 on arc-shaped angle steel skeleton 12 is used for wearing high-strength bolt 8；10 top of tank deck plate and top ends of cans 11
The position of cooperation sets arc plate 15, and bottom is engaged position with tank body 2 and sets connecting plate 15；The manufacturing process of tank deck plate 10 is as follows：
1) blanking；
Before blanking first by spherical tank deck setting-out launch, according to expanded view make model, model combination errorless after can under
Material；Using automatic cutting, blanking, using during steel plate splicing first by steel plate to postwelding blanking again；
2) each portion's molding；
The panel of tank deck plate 10 adopts three rolls plate bending machine roll-forming, because which is up-narrow and down-wide and the melon lobe with sphere
Shape structure, will control to rectify a deviation into guiding during plate and both sides when rolling, prevent inclined arc；Rolled tank deck plate face plate edge can not
There are distortion or wave defect, and fitted like a glove to arc with model inspection；
Arc-shaped angle steel skeleton 12, circular arc gusset 13 and arc plate 14 roll coincidence pattern standard, arc-shaped angle steel skeleton 12
Bolt hole 9 is drilled before rolling；
3) group to, prepackage, welding；
Tank deck assembly mold 16 (as shown in Figure 4, Figure 5) is made, the mold 16 is made up of shaped steel welding, and profile is cylinder
Structure, is highly adapted with 2 height of tank deck；Each tank deck plate 10 is circumferential assembled along mold 16 successively, sets on the inside of 10 panel of tank deck plate
Temporary rod 17, it is ensured that tank deck plate 10 is not because self gravitation deforms；After the completion of each tank deck plate 10 groups pairs, 2 entirety of tank deck is entered
Row prepackage adjustment, it is ensured that size, the form accuracy of 2 height of tank deck and upper and lower round mouth；
Tank deck 2 pre-install qualified after, using CO2Gas shielded arc welding welds each tank deck plate 10, chooses vertical position welding from the bottom up during welding,
It is required that weldering meat is full, must not have pore, slag inclusion or solder skip defect；Each tank deck plate 10 is made marks respectively after the completion of welding, scene
Install by same order；
Overall sanding and Local Artificial grinding process, painting anti-corrosive primer 1～2 time, dark asphalt paint is carried out before 2 application of tank deck
1 time.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (1)
1. a kind of manufacture method of large-scale vault pin-connected panel asphalt storage, it is characterised in that make including tank body and tank deck makes
Two parts, wherein：
First, tank body manufacturing process：
Tank body is to be enclosed columnar structured, the seam crossing between each tank shell for being formed by multiple structures, equivalently-sized tank shell
Using overlapping mode, lap-joint is connected by high-strength bolt；Each tank shell by curved panel, tank bottoms flange, straight gusset and
Arc gusset is constituted, and wherein curved panel is made up of plurality of steel plates splicing, and which longitudinally corresponds to tank body height to the lap-joint of curved panel
Side is provided with liner plate, and opening up 2 row's bolts hole on curved panel and liner plate side by side is used for wearing high-strength bolt；The inner side of curved panel
The straight gusset of multiple tracks is provided with along longitudinal direction, multiple tracks arc gusset is transversely provided with, between straight gusset and arc gusset, is formed latticed reinforcement
Structure；Tank body manufacturing process is as follows：
1) blanking and molding；
Curved panel adopts plate shearing machine for blanking, blanking deviation control accuracy：Width dimensions deviation≤± 1mm, diagonal error≤
±1.5mm；Curved panel adopts three rolls plate bending machine roll-forming, is checked with arc model, it is ensured that its radian and form accuracy symbol
Close design requirement；Tank bottoms flange, straight gusset, arc gusset and liner plate are respectively adopted automatic gas cutting machine scale blanking；
2) retaining wall on slope；
For splicing between the steel plate of curved panel for butt weld, using symmetric double groove, between curved panel and liner plate it is
Angle welding, using single groove；Positioning clamping fixture protection beveling and cutting angle and size is respectively adopted during retaining wall on slope；
3) tank shell group pair；
Tank shell group pair is carried out by drawing；Ensure its centrage in same straight line during each steel plate group pair for wherein constituting curved panel
On, radian error≤1.5mm, mismatch≤1.0mm；Tank bottoms flange, straight gusset and arc gusset are each perpendicular to curved panel, liner plate
With curved panel joint place gap L T.LT.LT 3mm；Each several part group uses spot welding fixed position to rear；
4) weld；
On the inside of curved panel, steel plate joint adopts gas shielded arc welding, outside plate joint to adopt Lincoln weld, continuous full
Weldering；As on curved panel, butt weld is arching trajectory, it is to ensure automatic welding quality, Lincoln weld trolley travelling track root
Make according to the radian of curved panel, automatic submerged-arc welding machine arcuately track traveling during welding, it is ensured that between its welding gun and steel plate
Apart from constant；
CO is adopted between curved panel and tank bottoms flange, between curved panel and liner plate2Gas shielded arc welding, arc gusset and straight gusset
Welded using discontinuous welding between curved panel, spacing welds the long weld seams of 50～100mm, curved panel and lining for 150～200mm of interval
Adopting angle welding on the outside of plate, curved panel and liner plate binding face adopt multiple spot plug welding, 14～∮ of plug welding hole ∮ 20, spacing is 200～
300mm；
5) drill；
For ensure the integrated connection precision of tank body and assembled after form accuracy, the bolt hole of each tank shell stitching portion be engaged
Tank shell carry out with bore and marking, adopt clamping fixture for drilling during drilling to ensure bore position precision, spot-facing after drilling；
6) application；
Overall sanding and Local Artificial grinding process, painting anti-corrosive primer 1～2 time, dark asphalt paint 1 time is carried out before tank body application；
2nd, tank deck manufacturing process：
Tank deck is spherical, is made up of tank deck plate and top ends of cans, and the tank deck plate of polylith sector sphere combines the body to form tank deck,
Top center sets top ends of cans；Connected by high-strength bolt between tank deck plate；The panel of tank deck plate is up-narrow and down-wide and carries
The melon lobed structure of sphere, its both sides set arc-shaped angle steel skeleton, and inner side sets circular arc gusset, opens up bolt hole on arc-shaped angle steel skeleton
For wearing high-strength bolt；The position that tank deck plate top is coordinated with top ends of cans sets arc plate, and bottom is engaged position with tank body and sets
Connecting plate；The manufacturing process of tank deck plate is as follows：
1) blanking；
First spherical tank deck setting-out is launched before blanking, model is made according to expanded view, can blanking after model combination is errorless；Adopt
With automatic cutting, blanking, using during steel plate splicing first by steel plate to postwelding blanking again；
2) each portion's molding；
The panel of tank deck plate adopts three rolls plate bending machine roll-forming, because which is up-narrow and down-wide and the melon lobed knot with sphere
Structure, will control to rectify a deviation into guiding during plate and both sides when rolling, prevent inclined arc；Rolled tank deck plate face plate edge can not have torsion
Bent or wave defect, and fitted like a glove to arc with model inspection；
Arc-shaped angle steel skeleton, circular arc gusset and arc plate roll coincidence pattern standard, and arc-shaped angle steel skeleton is drilled spiral shell before rolling
Keyhole；
3) group to, prepackage, welding；
Tank deck assembly mold is made, the mold is made up of shaped steel welding, and profile is cylindrical structure, highly mutually fits with tank deck height
Should；Each tank deck plate is circumferential assembled along mold successively, sets temporary rod, it is ensured that tank deck plate is not because of self gravitation on the inside of tank ceiling panel
Deform；After the completion of each tank deck plate group pair, tank deck integrally carries out prepackage adjustment, it is ensured that the chi of tank deck height and upper and lower round mouth
Very little, form accuracy；
After tank deck prepackage is qualified, using CO2Gas shielded arc welding welds each tank deck plate, chooses vertical position welding from the bottom up, it is desirable to weld meat during welding
Full, must not there are pore, slag inclusion or solder skip defect；Each tank deck plate is made marks respectively after the completion of welding, same order is pressed at scene
Install；
Overall sanding and Local Artificial grinding process, painting anti-corrosive primer 1～2 time, dark asphalt paint 1 time is carried out before tank deck application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048491.2A CN106493510B (en) | 2016-11-23 | 2016-11-23 | A kind of production method of large size vault pin-connected panel asphalt storage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048491.2A CN106493510B (en) | 2016-11-23 | 2016-11-23 | A kind of production method of large size vault pin-connected panel asphalt storage |
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| CN106493510A true CN106493510A (en) | 2017-03-15 |
| CN106493510B CN106493510B (en) | 2018-09-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108000075A (en) * | 2017-12-29 | 2018-05-08 | 合肥久享机械有限责任公司 | A kind of lightweight high-intensity gas receiver and manufacturing technique method |
| CN108820594A (en) * | 2018-05-31 | 2018-11-16 | 中国电建集团河北工程有限公司 | Large Oil storage tank top plate tools, top plate production method and tank deck installation method |
| CN109050788A (en) * | 2018-08-29 | 2018-12-21 | 广州文冲船厂有限责任公司 | The control method in the only floating block gap at the top of asphalt tank |
| CN110604891A (en) * | 2019-08-07 | 2019-12-24 | 李乃斌 | Fire-fighting CO for oil depot and petrochemical plant2Gas storage tank _ elliptic cylinder tank body structure |
| CN113977193A (en) * | 2021-10-14 | 2022-01-28 | 沈阳海为电力装备股份有限公司 | Method for manufacturing rust-proof carbon steel cabinet cover of internal oil type metal corrugated expansion oil conservator |
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| CN102476274B (en) * | 2010-11-26 | 2013-10-09 | 西安轨道交通装备有限责任公司 | Righting method for sealing head assembly of heat preservation shell of asphalt truck |
| CN102814624B (en) * | 2012-07-13 | 2014-12-10 | 中建三局第二建设工程有限责任公司 | Cover plate of vertical cylindrical storage tank and manufacturing method thereof |
| CN105735719A (en) * | 2014-12-09 | 2016-07-06 | 重庆渝南科技股份有限公司 | Assembly process of arch top storage tank |
| CN105729056A (en) * | 2014-12-09 | 2016-07-06 | 重庆渝南科技股份有限公司 | Prefabricating process for dome-roof storage tank bottom plate |
| CN104907776A (en) * | 2015-06-24 | 2015-09-16 | 浙江沈泰特种设备有限公司 | Storage tank processing technology |
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| CN108000075A (en) * | 2017-12-29 | 2018-05-08 | 合肥久享机械有限责任公司 | A kind of lightweight high-intensity gas receiver and manufacturing technique method |
| CN108820594A (en) * | 2018-05-31 | 2018-11-16 | 中国电建集团河北工程有限公司 | Large Oil storage tank top plate tools, top plate production method and tank deck installation method |
| CN108820594B (en) * | 2018-05-31 | 2024-01-09 | 中国电建集团河北工程有限公司 | Large-scale oil storage tank top plate manufacturing tool, top plate manufacturing method and tank top mounting method |
| CN109050788A (en) * | 2018-08-29 | 2018-12-21 | 广州文冲船厂有限责任公司 | The control method in the only floating block gap at the top of asphalt tank |
| CN110604891A (en) * | 2019-08-07 | 2019-12-24 | 李乃斌 | Fire-fighting CO for oil depot and petrochemical plant2Gas storage tank _ elliptic cylinder tank body structure |
| CN113977193A (en) * | 2021-10-14 | 2022-01-28 | 沈阳海为电力装备股份有限公司 | Method for manufacturing rust-proof carbon steel cabinet cover of internal oil type metal corrugated expansion oil conservator |
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