CN114658275A - Heat preservation technology for cast-in-place foamed cement storage tank with non-dismantling formwork - Google Patents
Heat preservation technology for cast-in-place foamed cement storage tank with non-dismantling formwork Download PDFInfo
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- CN114658275A CN114658275A CN202210358873.4A CN202210358873A CN114658275A CN 114658275 A CN114658275 A CN 114658275A CN 202210358873 A CN202210358873 A CN 202210358873A CN 114658275 A CN114658275 A CN 114658275A
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- Prior art keywords
- cast
- heat preservation
- storage tank
- square steel
- place
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- 239000004568 cement Substances 0.000 title claims abstract description 48
- 238000004321 preservation Methods 0.000 title claims abstract description 42
- 238000003860 storage Methods 0.000 title claims abstract description 42
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 238000009415 formwork Methods 0.000 title claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 238000005187 foaming Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000011065 in-situ storage Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 6
- 239000008397 galvanized steel Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/18—Containers for fluids or gases; Supports therefor mainly of concrete, e.g. reinforced concrete, or other stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
Abstract
The invention relates to a heat preservation technology of a non-dismantling template cast-in-place foaming cement storage tank.A tank body is provided with a heat preservation layer, and the heat preservation layer consists of a square steel keel, a cast-in-place foaming cement layer, a W-shaped profiled steel plate and a connecting piece; the square steel keel forms an evenly-arranged latticed framework through a connecting piece perpendicular to the tank body, the W-shaped profiled steel plate is fixed on the square steel keel through galvanized screws, a foamed cement layer is cast between the W-shaped profiled steel plate and the outer wall of the tank body, the heat preservation layer of the tank body is made of cast-in-place foamed cement and serves as an outer facing of the tank body, the heat preservation layer is fully combined with the tank body, the integrity is strong, the service life is long, the working time is saved, the daily maintenance cost of the storage tank is reduced, the structure is practical, the structure is fast and convenient, the performance is stable and reliable, the cast-in-place foamed cement is of a porous structure, good thermal inertia is realized, the square steel keel can be tightly combined with the storage tank, the problems that the traditional heat preservation layer is easy to fall off, a cold bridge is easy to appear, the construction procedure is complex and the like can be effectively solved, and the energy consumption is further reduced.
Description
Technical Field
The invention relates to heat preservation equipment, in particular to a heat preservation technology of a cast-in-place foaming cement storage tank without a disassembly template.
Background
At present, the storage condition of petroleum is higher, and the physical property of the petroleum is changed, wax is separated out, the fluidity of the petroleum is reduced and the outward transportation is difficult because the petroleum needs heat preservation, if the heat preservation effect is not good, so that the heat preservation of a storage tank is an important means for avoiding the solidification of the stored petroleum in severe cold regions to influence the transportation. The traditional storage tank heat preservation method generally adopts modes of rock wool external wrapping or composite silicate internal wrapping and the like to carry out storage tank heat preservation, the method is complicated in construction, the storage tank is not tightly combined with a tank body and is easy to fall off, the overall performance is not high, a cold bridge is easy to appear, and the heat preservation effect is not obvious enough; there is also a heat preservation method for heating the crude oil in the storage tank by heating the heat-conducting fluid, but the energy consumption is relatively large and the service life is short.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a heat preservation technology of a cast-in-place foaming cement storage tank without detaching a template.
The invention relates to a heat preservation technology of a non-dismantling template cast-in-place foaming cement storage tank.A tank body is provided with a heat preservation layer, and the heat preservation layer consists of a square steel keel, a cast-in-place foaming cement layer, a W-shaped profiled steel plate and a connecting piece; the square steel keel forms a uniformly distributed latticed framework through a connecting piece perpendicular to the tank body, the W-shaped profiled steel sheet is fixed on the square steel keel through galvanized screws, and a foamed cement layer is cast in situ between the W-shaped profiled steel sheet and the outer wall of the tank body.
As a further improvement of the invention, the method comprises the following steps:
a. carrying out rust removal treatment on the wall of the base layer storage tank;
b. installing square steel keels on the outer wall of the storage tank, and welding the square steel keels to the outer wall of the storage tank by using connecting pieces, wherein the distance between every two adjacent connecting pieces is less than 600 mm;
c. fixing the W-shaped profiled steel sheet on the square steel keel by using galvanized shooting nails, wherein the spacing between the galvanized shooting nails is less than 200mm, the spacing between the square steel keel and the square steel keel in the horizontal direction is 500-700 mm, the spacing between the square steel keel and the square steel keel in the vertical direction is 1100-1300 mm, and the square tubes in the transverse direction and the vertical direction are connected in a welding mode;
d. and (4) conveying the foamed cement slurry to the reserved heat preservation gap through a conveying pump to form a cast-in-situ foamed cement layer, and enabling the pouring thickness to reach 110-130 mm.
The method is further improved in that the conveying time of the foamed cement in the step d is 8-12 s, the pouring process adopts layered and segmented pouring, and the foaming height of each pouring is 280-320 mm; pouring every two times, wherein the interval is 20-40 m, and waiting for foaming and shaping.
The invention is further improved in that the cast-in-place foamed cement layer in the step d enables the casting thickness to be 120mm, the conveying process time is 10s, the casting process adopts layered and segmented casting, and the casting foaming height is 300mm each time.
As a further improvement of the invention, the square steel keel in the step c is an annular galvanized steel pipe with the horizontal direction spacing of 600mm and the specification of 30 multiplied by 20 multiplied by 2mm, and a 30 multiplied by 20 multiplied by 2mm galvanized steel pipe with the vertical direction spacing of 1200 mm.
As a further improvement of the invention, the thickness of the W-shaped profiled steel sheet of the heat-insulating layer is 1 mm.
According to the cast-in-place foam cement storage tank heat preservation technology for the non-dismantling formwork, the cast-in-place foam cement is used as the heat preservation layer of the tank body and the outer facing of the tank body, so that the advantages of all materials are fully exerted, the heat preservation layer and the tank body are fully combined, the integrity is strong, the service life is long, the working time is saved, the daily maintenance cost of the storage tank is reduced, the structure is practical, the operation is rapid and convenient, and the performance is stable and reliable. The used cast-in-place foam cement heat preservation technology can be combined with the shape of a storage tank, the annular light steel keel is built, the cast-in-place foam cement is of a porous structure, good thermal inertia is achieved, the cast-in-place foam cement can be tightly combined with the storage tank, the problems that a traditional heat preservation layer is easy to fall off, a cold bridge is easy to occur, the construction procedure is complex and the like can be effectively solved, the storage tank and the heat preservation layer can have the same service life, a good heat preservation effect is achieved, and therefore energy consumption is further reduced.
Drawings
FIG. 1 is an external view of the present invention;
FIG. 2 is a view of the structure of the insulating layer of the present invention;
FIG. 3 is a sectional view of the foamed cement insulation.
Detailed Description
Example 1
The invention relates to a non-dismantling formwork cast-in-place foaming cement storage tank heat preservation technology, which is formed by installing a heat preservation layer on a tank body 2, wherein the heat preservation layer consists of a square steel keel 1, a cast-in-place foaming cement layer 3, a W-shaped profiled steel sheet 4 and a connecting piece 6; the square steel keel 1 is a grid-shaped framework which is uniformly arranged through a connecting piece 6 which is vertical to the tank body 2, the W-shaped profiled steel sheet 4 is fixed on the square steel keel 1 through a galvanized screw 5, a foamed cement layer 3 is cast in situ between the W-shaped profiled steel sheet 4 and the outer wall of the tank body 2, and the cast-in-situ foamed cement layer 3 is used as an enclosure structure material of the tank body 2.
Example 2
The invention relates to a heat preservation technology of a cast-in-place foaming cement storage tank without detaching a template, which is realized by the following steps:
a. carrying out rust removal treatment on the wall of the base layer storage tank;
b. installing square steel keels 1 on the outer wall of the storage tank, and welding the square steel keels 1 to the outer wall of the storage tank by using connecting pieces 6, wherein the distance between every two adjacent connecting pieces 6 is less than 600 mm;
c. fixing the W-shaped profiled steel sheet 4 on the square steel keel 1 by using galvanized shooting nails 5, wherein the distance between the galvanized shooting nails 5 is less than 200mm, the distance between the square steel keel 1 in the horizontal direction is 500-700 mm, the distance between the square steel keel 1 in the vertical direction is 1100-1300 mm, and the square tubes in the horizontal and vertical directions are connected in a welding mode;
d. and (3) conveying the foamed cement slurry to the reserved heat insulation layer gap through a conveying pump to form a cast-in-situ foamed cement layer 3, and enabling the pouring thickness to reach 110-130 mm.
Example 3
The invention relates to a heat preservation technology of a cast-in-place foaming cement storage tank without detaching a template, which is realized by the following steps:
a. carrying out rust removal treatment on the wall of the base storage tank, and paying off the outer wall of the storage tank;
b. according to the paying-off position, a square steel keel 1 is installed on the outer wall of the storage tank, the square steel keel 1 is welded to the outer wall of the storage tank through connecting pieces 6, and the distance between every two connecting pieces 6 is smaller than 600 mm;
c. fixing a W-shaped profiled steel sheet 4 on a square steel keel 1 by using galvanized shooting nails 5, wherein the thickness of the W-shaped profiled steel sheet 4 of a heat insulation layer is 1mm, the distance between the galvanized shooting nails 5 is less than 200mm, the distance between the square steel keel 1 in the horizontal direction is 600mm, the specification of the W-shaped profiled steel sheet is an annular galvanized steel pipe with the size of 30 multiplied by 20 multiplied by 2mm, the distance between the galvanized steel pipes in the vertical direction is 1200mm, and the square pipes in the transverse direction and the vertical direction are connected in a welding mode to form an integral latticed keel;
d. conveying the foamed cement slurry to a reserved heat insulation layer gap through a conveying pump to form a cast-in-situ foamed cement layer 3, wherein the pouring thickness is 120mm, the conveying time of the foamed cement is 10s, layered and segmented pouring is adopted in the pouring process, and the foaming height is 300mm in each pouring; the interval between every two times of pouring is 20-40 min to wait for foaming and shaping. Foamed cement is prior art and is published under the number CN 103274719A.
In the cast-in-place foamed cement storage tank heat preservation device for the non-dismantling formwork, the height initiated by the cast-in-place foamed cement layer 3 is preferably 1.2-1.3 times of the pouring height.
Claims (6)
1. A non-dismantling template cast-in-place foaming cement storage tank heat preservation technology is formed by installing a heat preservation layer on a tank body (2), and is characterized in that the heat preservation layer consists of a square steel keel (1), a cast-in-place foaming cement layer (3), a W-shaped profiled steel sheet (4) and a connecting piece (6); the square steel keel (1) forms a uniformly-arranged latticed framework through a connecting piece (6) perpendicular to the tank body (2), the W-shaped profiled steel sheet (4) is fixed on the square steel keel (1) through a galvanized screw (5), and a foamed cement layer (3) is cast in situ between the W-shaped profiled steel sheet (4) and the outer wall of the tank body (2).
2. The heat preservation technology for the cast-in-place foaming cement storage tank of the non-dismantling formwork as claimed in claim 1, which is characterized by comprising the following steps:
a. carrying out rust removal treatment on the wall of the base layer storage tank;
b. the method comprises the following steps that a square steel keel (1) is installed on the outer wall of a storage tank, the square steel keel (1) is welded to the outer wall of the storage tank through connecting pieces (6), and the distance between the connecting pieces (6) is smaller than 600 mm;
c. fixing the W-shaped profiled steel sheet (4) on the square steel keel (1) by using galvanized shooting nails (5), wherein the distance between every two galvanized shooting nails (5) is less than 200mm, the distance between every two square steel keels (1) in the horizontal direction is 500-700 mm, the distance between every two square steel keels in the vertical direction is 1100-1300 mm, and the square pipes in the transverse direction and the vertical direction are connected in a welding mode;
d. and (3) conveying the foamed cement slurry to the reserved heat insulation layer gap through a conveying pump to form a cast-in-situ foamed cement layer (3), and enabling the pouring thickness to reach 110-130 mm.
3. The non-dismantling formwork cast-in-place foamed cement storage tank heat preservation technology as claimed in claim 2, wherein the conveying time of the foamed cement in the step d is 8-12 s, the pouring process adopts layered and segmented pouring, and the foaming height of each pouring is 280-320 mm; the interval between every two times of pouring is 20-40 min to wait for foaming and shaping.
4. The heat preservation technology for the cast-in-place foam cement storage tank with the non-dismantling template as claimed in claim 3 is characterized in that the cast-in-place foam cement layer in the step d enables the casting thickness to be 120mm, the conveying process time is 10s, the casting process adopts layered and segmented casting, and the casting foam height is 300mm each time.
5. The non-dismantling formwork cast-in-place foaming cement storage tank heat preservation technology as claimed in claim 2, wherein the square steel keels (1) in step c are annular galvanized steel pipes with a horizontal spacing of 600mm and a specification of 30 x 20 x 2 mm; 30X 20X 2mm galvanized steel pipes with the vertical direction spacing of 1200 mm.
6. The insulation technology of the cast-in-place foaming cement storage tank with the non-dismantling formwork as defined in claim 1, wherein the thickness of the W-shaped profiled steel sheet (4) of the insulation layer is 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358873.4A CN114658275A (en) | 2022-04-07 | 2022-04-07 | Heat preservation technology for cast-in-place foamed cement storage tank with non-dismantling formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358873.4A CN114658275A (en) | 2022-04-07 | 2022-04-07 | Heat preservation technology for cast-in-place foamed cement storage tank with non-dismantling formwork |
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| Publication Number | Publication Date |
|---|---|
| CN114658275A true CN114658275A (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210358873.4A Pending CN114658275A (en) | 2022-04-07 | 2022-04-07 | Heat preservation technology for cast-in-place foamed cement storage tank with non-dismantling formwork |
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| Country | Link |
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| CN (1) | CN114658275A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11193588A (en) * | 1997-12-26 | 1999-07-21 | Kazutoshi Torisawa | Mounting method of fire-resistive material in outside-heat insulation construction method of reinforced-concrete structure |
| CN201002856Y (en) * | 2007-02-06 | 2008-01-09 | 辽宁中田干燥设备制造有限公司 | High-strength ultra-thin stainless steel capacity container |
| CN201679111U (en) * | 2009-09-11 | 2010-12-22 | 闫振甲 | Cast-in-situ foam concrete structure for external wall heat insulation |
| CN201907792U (en) * | 2010-10-26 | 2011-07-27 | 益科博能源科技（上海）有限公司 | Vacuum heat preservation oil tank |
| CN201923525U (en) * | 2010-10-26 | 2011-08-10 | 益科博能源科技（上海）有限公司 | Heat-preserving oil tank |
| CN203856100U (en) * | 2014-03-20 | 2014-10-01 | 中国建筑第二工程局有限公司 | Environment-friendly energy-saving cast-in-place heat-insulating composite exterior wall system |
| CN104805928A (en) * | 2015-03-18 | 2015-07-29 | 沈阳建筑大学 | Pump watering core material fibreboard wrapping sandwich insulation outer wall |
| CN108442585A (en) * | 2018-06-01 | 2018-08-24 | 安徽建工集团有限公司 | One kind exempting from form removal external thermal insulation quake-proof integral shear wall |
| CN110185310A (en) * | 2019-04-22 | 2019-08-30 | 刘全义 | Ripple cast-in-situ steel reinforced concrete tank body and its method of construction |
| CN210264105U (en) * | 2019-04-22 | 2020-04-07 | 刘全义 | Corrugated cast-in-place reinforced concrete tank |
| CN213979433U (en) * | 2020-09-27 | 2021-08-17 | 大连普利策工业有限公司 | Assembled metal decking light steel light concrete composite wall |
-
2022
- 2022-04-07 CN CN202210358873.4A patent/CN114658275A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11193588A (en) * | 1997-12-26 | 1999-07-21 | Kazutoshi Torisawa | Mounting method of fire-resistive material in outside-heat insulation construction method of reinforced-concrete structure |
| CN201002856Y (en) * | 2007-02-06 | 2008-01-09 | 辽宁中田干燥设备制造有限公司 | High-strength ultra-thin stainless steel capacity container |
| CN201679111U (en) * | 2009-09-11 | 2010-12-22 | 闫振甲 | Cast-in-situ foam concrete structure for external wall heat insulation |
| CN201907792U (en) * | 2010-10-26 | 2011-07-27 | 益科博能源科技（上海）有限公司 | Vacuum heat preservation oil tank |
| CN201923525U (en) * | 2010-10-26 | 2011-08-10 | 益科博能源科技（上海）有限公司 | Heat-preserving oil tank |
| CN203856100U (en) * | 2014-03-20 | 2014-10-01 | 中国建筑第二工程局有限公司 | Environment-friendly energy-saving cast-in-place heat-insulating composite exterior wall system |
| CN104805928A (en) * | 2015-03-18 | 2015-07-29 | 沈阳建筑大学 | Pump watering core material fibreboard wrapping sandwich insulation outer wall |
| CN108442585A (en) * | 2018-06-01 | 2018-08-24 | 安徽建工集团有限公司 | One kind exempting from form removal external thermal insulation quake-proof integral shear wall |
| CN110185310A (en) * | 2019-04-22 | 2019-08-30 | 刘全义 | Ripple cast-in-situ steel reinforced concrete tank body and its method of construction |
| CN210264105U (en) * | 2019-04-22 | 2020-04-07 | 刘全义 | Corrugated cast-in-place reinforced concrete tank |
| CN213979433U (en) * | 2020-09-27 | 2021-08-17 | 大连普利策工业有限公司 | Assembled metal decking light steel light concrete composite wall |
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