CN202368981U - Large-scale recovered oil gas storage tank - Google Patents
Large-scale recovered oil gas storage tank Download PDFInfo
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- CN202368981U CN202368981U CN 201120558704 CN201120558704U CN202368981U CN 202368981 U CN202368981 U CN 202368981U CN 201120558704 CN201120558704 CN 201120558704 CN 201120558704 U CN201120558704 U CN 201120558704U CN 202368981 U CN202368981 U CN 202368981U
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- storage tank
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Abstract
The utility model discloses a large-scale recovered oil gas storage tank which comprises a standard oval seal head and a barrel which is installed and welded together with the seal head to form the storage tank. The large-scale recovered oil gas storage tank is characterized in that the seal head is formed by assembling and welding three top circular plates formed by cold pressing and side boards, wherein the top circular plates are assembled and welded to form a top end part of the standard oval seal head; the top end part is of a shape of part of a spherical shell and has a sphere center angle of 18 to 28 degrees; the side boards are welded at the edge of the top end part and extend to form side edge parts; two to three rib plates are welded at weld joints at which the top circular plates and the side boards are assembled and welded, so as to prevent welding deformation; the barrel is formed by sectionally installing and welding barrel sections; and each barrel section is formed by respectively pressing and rolling three steel plates, checking the curvature of a flap sheet of each steel plate and then installing and assembling the three steel plates. The integral large-scale recovered oil gas storage tank has reasonable structure, is convenient for transportation and field processing and has high forming quality.
Description
Technical field
The utility model relates to a kind of large-scale reclaimed oil gas storage tank.
Background technology
Large-scale reclaimed oil gas storage tank is big because of its diameter, thickness is big, weight is usually more than 200 tons; Generally can only adopt the mode of harbour field fabrication to carry out; Receive the restriction of field machining condition; There is very big difficulty in the large tank of making on technology, mass defect appears in storage tank easily that produce, for following process is added to the difficulties.In the prior art,, described and how tank body has been heat-treated as disclosing the method that a kind of large-scale total pressure type reclaims oil gas (LPG) carrier storage tank bulk heat treatment in the Chinese utility model patent 200710051515.4.This utility model is that the storage tank behind the assembly welding is carried out subsequent treatment, describe how could make one rational in infrastructure, quality control is easy to large-scale reclaimed oil gas storage tank.
The utility model content
The purpose of the utility model is to deficiency of the prior art, provides a kind of rational in infrastructure, the large-scale reclaimed oil gas storage tank that can process at the scene.
The technical scheme of the utility model is following:
A kind of large-scale reclaimed oil gas storage tank comprises the end socket of standard oval, constitutes the cylindrical shell of storage tank with the end socket assembly welding; It is characterized in that: said end socket is formed by the 3 blocks of tip circle plates and the side plate welding of cold-press moulding; Wherein, the welding of tip circle plate constitutes the top ends of end socket, and the shape of top ends is the part spherical shell shape; Its centre of sphere angle is between 18 to 28 degree; Side plate is welded on the edge of top ends, extends to constitute side portion, is welded with 2 to 3 gussets to prevent welding deformation in the commissure of each tip circle plate, side plate welding; Cylindrical shell is formed by shell ring segmentation assembly welding, every section shell ring by three steel plates respectively pressure head, roll, check the curvature of every steel plate limb, assembly welding forms then.
The supplementary technology scheme of the utility model is following:
Preferably, the quantity of said side plate is 10.
Preferably, the shell ring of said formation cylindrical shell is 9 joints.
Preferably, every circumferential weld group between the said shell ring to the time straightness accuracy guarantee nonstraightness≤3mm in every 3000mm length.
Preferably, the diameter of said storage tank cylindrical shell equals 6500mm.
Preferably, said cylindrical shell thickness δ=46mm, ellipse head thickness δ=50mm.
The beneficial effect of the utility model: storage tank is the distinguish assembly welding; Be convenient to be transported to the scene by originating firm and assemble, the end socket of distinguish form reduces the compacting difficulty, and forming quality guarantees easily; Reasonably the distinguish form of control end socket and quantity can reduce weld seam quantity and be convenient to carry out Deformation control and improve stock utilization; Because if welding deformation can not effectively control, will cause greatly can't school shape because of thickness, makes the counterpart unfitness of butt joint of end socket, cylindrical shell and angularity not to meet the demands; And cylindrical shell itself adopts the mode assembly welding of shell ring and burst can guarantee under the bigger situation of diameter and thickness; Actv. its geometric configuration of control and curvature; And because the diameter of cylindrical shell is big, barrel thickness is very thick; Cylindrical shell can't carry out school circle by normal method for coiling, so each limb strict guarantee curvature meets the requirements, and particularly the circular arc curvature of longitudinal seam both sides just can be carried out whole storage tank assembly welding smoothly.
Description of drawings
The utility model will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the scheme drawing of the large-scale reclaimed oil gas storage tank of the utility model embodiment.
Fig. 2 is the scheme drawing of the large-scale reclaimed oil gas storage tank of the utility model end socket.
The cylindrical shell of the large-scale reclaimed oil gas storage tank of Fig. 3 adds in-to-in scheme drawing in man-hour.
Fig. 4 is the scheme drawing when storage tank is assembled in the foregoing description.
The specific embodiment
The specific embodiment 1 of the utility model, as shown in Figure 1, a kind of large-scale reclaimed oil gas storage tank is formed by end socket 1 and cylindrical shell 2 assembly weldings.
The equipment end socket is ellipsoidal head, and is as shown in Figure 2, and diameter is DN6500mm, and thickness reaches 50mm, and excessive because of diameter, forming quality is difficult to guarantee, and hard transportation behind the monolithic molding, so the shaping of end socket adopts the mode of carrying out assembly welding after the first distinguish compacting to carry out; End socket is formed by the limb welding of cold-press moulding, and cold-press moulding is adopted in the compacting of limb, and elder generation suppresses with blank, and surplus and weld preparation are cut off in the back line that is shaped, and the actual measurement physical dimension all satisfied the regulation requirement after every limb was shaped.Wherein, limb comprises tip circle plate 11 and side plate 12, wherein; Tip circle plate 11 is 3, and side plate 12 is 10; Because carry out assembly welding with cylindrical shell behind the seal head forming, the counterpart unfitness of butt joint of standard-required can not surpass 5mm, and angularity can not surpass 5mm; If limb physical dimension nonconformity is with the quality that directly influences behind the assembly welding; After the compacting of end socket distinguish; Transport to harbour assembling scene and carry out welding; Consider that welding deformation is a point more rambunctious, because of its diameter is big, weld seam quantity is many, and wall thickness has increased the difficulty of control greatly, especially; Through summing up experience in the past, be employed in every weld seam add adopt on 2 to 3 gussets constraints and reversible deformation measure, the welding method little line amount, string bead, the many welding beads of multilayer, symmetrical welding and substep repeatedly the mode of welding carry out.
Cylindrical shell is formed by shell ring segmentation assembly welding; Every section shell ring is rolled by three steel plates and processes; The diameter of cylindrical shell is DN6500mm, thickness δ=46mm, length L=18860mm, because of its diameter thickness is rolled condition restriction, adopt every section shell ring divide three respectively pressure head, roll, the method for assembly welding is made then; And, therefore require each limb except that guaranteeing physical dimension, also must strict guarantee curvature to meet the requirements, particularly the circular arc curvature of longitudinal seam both sides owing to can't carry out the school circle by normal method for coiling.For guaranteeing the quality of next step group to operation, whether the parallelism of strict guarantee two end matchings (indulging) tape edge is gone back in rolling except that guaranteeing curvature of limb, promptly twist.In the process of rolling, should make steel plate axis and bending roll roll shaft keep vertical for this reason; Limb roll qualified after, be the distortion that prevents possibly cause in the transportation, all fixing with the support component welding to every.Owing to can't carry out the school circle; Therefore must adopt technical measures to guarantee after welding is accomplished, to meet the demands in the welding process; Adopt reversible deformation measure stiffened plate as shown in Figure 34 fixing, steel pipe 5 supporting tools: it is right earlier 3 limbs to be organized for this reason; Make longitudinal seam produce reversible deformation with jack then, fixing with strengthening the gusset welding again, at both ends respectively welds 2 cross steel pipes and prevents the circularity distortion in addition.Side weld welds the back removal that finishes outside, the cross steel pipe is removed after shell ring circumferential weld assembly welding is accomplished to strengthen gusset; Through the control of above method, all meet the demands behind the shell ring assembly welding.
Shell ring, end socket welding are as shown in Figure 4, the total length 22272mm of separate unit storage tank, and its middle cylinder body length 18850mm is divided into 9 joints.For reducing manufacture difficulty and ensuring the quality of products; General assembly adopts segmented mode to carry out: earlier with 9 shell rings add 2 ellipse heads totally 11 joints divide four sections carry out vertical group right; Then to per two sections carry out respectively horizontal group right; Be made into two big sections, two big sections welding respectively finish and close up again after the qualified assembly welding of circumferential weld of non-destructive test, and are as shown in Figure 4; Every circumferential weld group to the time all carry out the straightness accuracy inspection and adjust, guarantee nonstraightness≤3mm in every 3000mm length, 9 joint cylindrical shells and 2 ellipse head assembly weldings total nonstraightness≤15mm in back that finishes.
Disclosed all characteristics in this specification sheets, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this specification sheets (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
The utility model is not limited to the aforesaid specific embodiment.The utility model expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (6)
1. one kind large-scale reclaimed oil gas storage tank comprises the end socket of standard oval, constitutes the cylindrical shell of storage tank with the end socket assembly welding; It is characterized in that: said end socket is formed by the 3 blocks of tip circle plates and the side plate welding of cold-press moulding; Wherein, the welding of tip circle plate constitutes the top ends of standard elliptical head, and the shape of top ends is the part spherical shell shape; Its centre of sphere angle is between 18 to 28 degree; Side plate is welded on the edge of top ends, extends to constitute side portion, is welded with 2 to 3 gussets in the commissure of each tip circle plate, side plate welding; Cylindrical shell is formed by shell ring segmentation assembly welding, every section shell ring by three steel plates respectively pressure head, roll, check the curvature of every steel plate limb, assembly welding forms then.
2. large-scale reclaimed oil gas storage tank according to claim 1 is characterized in that: the quantity of said side plate is 10.
3. large-scale reclaimed oil gas storage tank according to claim 1 is characterized in that: the shell ring of said formation cylindrical shell is 9 joints.
4. according to claim 2 or 3 described large-scale reclaimed oil gas storage tanks, it is characterized in that: every circumferential weld group between the said shell ring to the time straightness accuracy guarantee nonstraightness≤3mm in every 3000mm length.
5. large-scale reclaimed oil gas storage tank according to claim 4, it is characterized in that: the diameter of said storage tank cylindrical shell equals 6500mm.
6. large-scale reclaimed oil gas storage tank according to claim 5 is characterized in that: said cylindrical shell thickness δ=46mm, ellipse head thickness δ=50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120558704 CN202368981U (en) | 2011-12-28 | 2011-12-28 | Large-scale recovered oil gas storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120558704 CN202368981U (en) | 2011-12-28 | 2011-12-28 | Large-scale recovered oil gas storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202368981U true CN202368981U (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120558704 Expired - Lifetime CN202368981U (en) | 2011-12-28 | 2011-12-28 | Large-scale recovered oil gas storage tank |
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| Country | Link |
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| CN (1) | CN202368981U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491011A (en) * | 2011-12-28 | 2012-06-13 | 四川蓝星机械有限公司 | Large recovered oil and gas tank |
| CN105668062A (en) * | 2016-02-02 | 2016-06-15 | 湖南易净环保科技有限公司 | Seal head of glass fiber reinforced plastic tank cylinder |
| CN110427725A (en) * | 2019-08-12 | 2019-11-08 | 中国石油大学(华东) | A method of reduction pressure vessel limb is in storage and travel position deformation |
| CN110498146A (en) * | 2019-08-26 | 2019-11-26 | 北京环境特性研究所 | A kind of nonmetallic vacuum tank of large size with low frequency high wave transmission rate |
-
2011
- 2011-12-28 CN CN 201120558704 patent/CN202368981U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491011A (en) * | 2011-12-28 | 2012-06-13 | 四川蓝星机械有限公司 | Large recovered oil and gas tank |
| CN102491011B (en) * | 2011-12-28 | 2013-04-03 | 四川蓝星机械有限公司 | Large recovered oil and gas tank |
| CN105668062A (en) * | 2016-02-02 | 2016-06-15 | 湖南易净环保科技有限公司 | Seal head of glass fiber reinforced plastic tank cylinder |
| CN105668062B (en) * | 2016-02-02 | 2018-03-02 | 湖南易净环保科技有限公司 | The end socket of glass fiber reinforced plastic tank cylinder |
| CN110427725A (en) * | 2019-08-12 | 2019-11-08 | 中国石油大学(华东) | A method of reduction pressure vessel limb is in storage and travel position deformation |
| CN110427725B (en) * | 2019-08-12 | 2022-03-18 | 中国石油大学(华东) | Method for weakening deformation of pressure container flaps in storage and transportation states |
| CN110498146A (en) * | 2019-08-26 | 2019-11-26 | 北京环境特性研究所 | A kind of nonmetallic vacuum tank of large size with low frequency high wave transmission rate |
| CN110498146B (en) * | 2019-08-26 | 2021-06-04 | 北京环境特性研究所 | Large-scale nonmetal vacuum tank body with low frequency and high wave-transmitting rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120808 Effective date of abandoning: 20130403 |
|
| RGAV | Abandon patent right to avoid regrant |