CN1244763C - Large-scale safe explosion-proof liquefied petroleum gas spherical tank - Google Patents
Large-scale safe explosion-proof liquefied petroleum gas spherical tank Download PDFInfo
- Publication number
- CN1244763C CN1244763C CN 02148812 CN02148812A CN1244763C CN 1244763 C CN1244763 C CN 1244763C CN 02148812 CN02148812 CN 02148812 CN 02148812 A CN02148812 A CN 02148812A CN 1244763 C CN1244763 C CN 1244763C
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- Prior art keywords
- tank
- spherical tank
- spherical
- han
- pole
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- Expired - Lifetime
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- 239000003915 liquefied petroleum gas Substances 0.000 title abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000002360 explosive Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000007791 liquid phase Substances 0.000 abstract 1
- 239000012071 phase Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 8
- 238000004880 explosion Methods 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a large safety explosion-proof sphere tank for liquefied petroleum gas, which comprises a sphere tank and a spherical frame, wherein the inner wall of the sphere tank is connected with supporting rods of which the top ends are welded with connecting plates provided with upper, lower, left and right holes. Longitude and latitude plates and holes on the connecting plates of all the supporting rods are gradually connected to form the spherical frame through bolts; the spherical frame is filled with HAN isolated explosion-proof material between the spherical frame and the sphere tank. The HAN isolated explosion-proof material has a metal surface having a huge area and good heat-conducting property. After the tank wall is heated, the heat is firstly and rapidly transferred to the HAN isolated explosion-proof material in the sphere tank; simultaneously, the heat is rapidly transferred to a liquid phase from a gas phase by the HAN material through the huge metal surface, and partial wall temperature of a dry wall is rapidly reduced to avoid the BLEVE phenomenon. Simultaneously, the cathodic corrosion of the inner wall of the tank is avoided because of the anode protection function of the HAN material; accordingly, the testing period of a container is extended, and safe and reliable storage of a large sphere tank for liquefied petroleum gas is ensured.
Description
Technical field
Involved in the present invention is a kind of large-scale safety anti-explosive lpg spherical tank, and the diameter that it is meant gas holder is 6 meters, the storage volume spherical container at the safe storage liquefied petroleum gas more than 400 cubic metres.
Technical background
The main hazard that large-scale liquefied petroleum gas (LPG) stores spherical tank is the accident (be Boilling Liquid Expanding Vapor Explosions, be abbreviated as BLEVE) that occurs in " vapour explosion of boiling liquid expansibility ".When gas holder suffered that extraneous fire is attacked, flame acutely burnt the spherical tank wall, makes superheated tank skin form " dried wall ", and tank skin of " dried wall " part reaches metallic high temperature " creep ", reduction in strength, and tank structure destroys, and the tank skin fracture is torn; Simultaneously, burning of flame sharply heated near the liquefied petroleum gas (LPG) of counter-fire face tank skin, and heated liquefied petroleum atmospheric pressure rises rapidly, violent bubble boiling occurs, causes the container fracture, and the gas-liquid splash forms " vapour explosion of boiling liquid expansibility ".More seriously, because the blast of a gas tank will cause whole gas tank group's chain explosion, this loss and the destruction that will cause to the country and people's property is beyond measure.Thus, the safety problem of large-scale liquefied petroleum gas storage tank should be grabbed as first-class major issue.
Summary of the invention
Purpose of the present invention provides a kind of large-scale safety anti-explosive lpg spherical tank, avoids the generation of liquefied petroleum gas storage tank " vapour explosion of boiling liquid expansibility ", guarantees the safe, reliable of liquefied petroleum gas tank.
A kind of large-scale safety anti-explosive lpg spherical tank, include the pole that spherical tank, spherical tank inwall are provided with some equal in length, one end of pole is welded on the spherical tank inwall, it is characterized in that, the solder joint of pole and tank skin is distributed on 6 cross-sectional circumferential of spherical tank, and presses the setting of branch such as circumference 16, and each pole center line must be by the centre of sphere of spherical tank, the other end of pole is welded with connecting plate, and connecting plate is provided with four holes, upper and lower, left and right; Transit plate is the angle steel that some vertical, horizontal are uneven in length, and its two ends are provided with through hole; By bolt with transit plate one by one with the connecting plate of all poles on the hole be connected as a single entity and constitute spherical frame, be filled with the HAN block blast-proof materials between spherical frame and the spherical tank, spherical frame is equipped with metal grill towards the surface of spherical tank, on the annular, outer face of each pole metal grill is housed also.
Described transit plate can be steel band.
Because the metal surface of the huge area of HAN block blast-proof materials and its good heat-conducting property, after tank skin is heated rapidly with heat transferred HAN block blast-proof materials, and then by HAN every explosion-proof lamp with the heat transferred jar in medium, tank wall temperature, especially " dried wall " temperature can be reduced rapidly, avoid the generation of " BLEVE ", guarantee the safety of spherical tank.In addition,, prevent the corrosion of tank skin and internals effectively, prolong the working life of spherical tank, guarantee the safety of spherical tank operation because the HAN block blast-proof materials can be used as anode and prevents cathodic corrosion in jar.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is Figure 1A-A sectional drawing.
Fig. 3 is the partial enlarged drawing of Fig. 1
Fig. 4 is that the B of Fig. 3 is to view.
Wherein 1 spherical tank, 2 transit plates, 3HAN block blast-proof materials, 4 poles, connecting plate, 6 spherical frames, 7 metal grills, 8 manholes.
Embodiment's explanation
A kind of large-scale safety anti-explosive lpg spherical tank includes spherical tank 1 and spherical frame 6.On spherical tank 1 inwall, be provided with several poles 4, the identical length of all poles 4 etc.The solder joint of pole 4 and tank skin is equally distributed by 16,24,36 five equilibriums of 6-8 cross section cylindrical of spherical tank 1, and the center line of all poles 4 is all by the spherical tank centre of sphere.One end of pole 4 is welded on spherical tank 1 inwall, and the other end of pole 4 is welded with connecting plate 5, and connecting plate 5 is provided with four through holes in upper and lower, left and right, and pole 4 is elected metal round steel or angle steel as.The angle steel or the steel band that are uneven in length by several vertical, horizontal constitute transit plate 2, two ends at transit plate 2 are provided with through hole, by bolt with transit plate 2 one by one with all poles 4 on connecting plate 5 be connected as a single entity and constitute spherical frame 6, metal longitude and latitude of the present invention is pulled 2 angle steel of electing the L40*3 millimeter as.Towards the surface of spherical tank metal grill 7 is housed at spherical frame 6, on the annular, outer face that each layer pole 4 constitutes, also is provided with metal grill 7 in addition.Be filled with HAN block blast-proof materials 3 between spherical frame 6 and spherical tank 1, the filling thickness of HAN block blast-proof materials 3 is 0.2-1.5 rice.
What the spherical frame in this spherical tank was taked is that annular space is installed method.Installation process is as follows: after having welded large-size spherical tank body 1, at first be to select by the solder joint of the equally distributed pole 4 of 8 cross section cylindrical 16 five equilibriums of spherical tank 1 with tank skin, from bottom to top order one by one in spherical tank 1, and all requirements by the spherical tank centre of sphere by the center line of each pole, welding pole 4 in each cross section, connect transit plate 2, towards the surface of spherical tank metal grill 7 is housed, on the annular, outer face that each pole 4 constitutes, also be provided with metal grill 7 in addition at spherical frame 6.Filling HAN block blast-proof materials 3 between spherical framework 6 and spherical tank 1.When the pole 4 of requirement spherical frame 6 is welded with spherical tank 1 inwall, avoid the weld seam and the weld heat-affected zone of spherical tank, to guarantee the safety of spheroid weld seam.The filling of HAN block blast-proof materials requires HAN block blast-proof materials and tank skin to keep Elastic Contact, is full of the space between spherical frame and the spheroid, does not allow to occur space and local tension phenomenon.Avoid a jar interior inlet opening, the medium around the liquid outlet opening, the impact force of the fluctuation that produces when oil tank is worked can not cause frame structure and the structural damage of HAN block blast-proof materials, and framework is firm, stable.
Because the HAN block blast-proof materials has huge metal surface and good heat-conducting property.After material is loaded,, become to after transmitting heat between spherical tank metal layer elder generation and the HAN block blast-proof materials, again by the diabatic process between HAN material and the liquefied petroleum gas (LPG) by the heat transfer between former spherical tank metal layer and the liquefied petroleum gas (LPG) liquid level layer.Because the HAN material has the metal surface of huge area and good thermal conductivity, can absorb the temperature of spherical tank tank skin rapidly and heat is passed to a jar interior medium fast, the temperature of " dried wall " part of tank skin is reduced rapidly, the intensity that has kept the tank skin metal, avoid occurring in the spherical tank generation of " vapour explosion of boiling liquid expansibility ", guarantee liquefied petroleum gas (LPG) storage safe in the spherical tank, reliable.
Equally, the structure of this large-scale safety anti-explosive lpg spherical tank also is applicable to the oval tank body of large-scale safety anti-explosive liquefied petroleum gas (LPG).
Claims (2)
1, a kind of large-scale safety anti-explosive lpg spherical tank, include the pole that spherical tank, spherical tank inwall are provided with some equal in length, one end of pole is welded on the spherical tank inwall, it is characterized in that, the solder joint of pole and tank skin is distributed on 6 cross-sectional circumferential of spherical tank, and presses the setting of branch such as circumference 16, and each pole center line must be by the centre of sphere of spherical tank, the other end of pole is welded with connecting plate, and connecting plate is provided with four holes, upper and lower, left and right; Transit plate is the angle steel that some vertical, horizontal are uneven in length, and its two ends are provided with through hole; By bolt with transit plate one by one with the connecting plate of all poles on the hole be connected as a single entity and constitute spherical frame, be filled with the HAN block blast-proof materials between spherical frame and the spherical tank, spherical frame is equipped with metal grill towards the surface of spherical tank, on the annular, outer face of each pole metal grill is housed also.
2, large-scale safety anti-explosive lpg spherical tank according to claim 1 is characterized in that transit plate is a steel band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02148812 CN1244763C (en) | 2002-11-18 | 2002-11-18 | Large-scale safe explosion-proof liquefied petroleum gas spherical tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02148812 CN1244763C (en) | 2002-11-18 | 2002-11-18 | Large-scale safe explosion-proof liquefied petroleum gas spherical tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1501016A CN1501016A (en) | 2004-06-02 |
| CN1244763C true CN1244763C (en) | 2006-03-08 |
Family
ID=34233343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02148812 Expired - Lifetime CN1244763C (en) | 2002-11-18 | 2002-11-18 | Large-scale safe explosion-proof liquefied petroleum gas spherical tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1244763C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101932515B (en) * | 2008-02-03 | 2012-05-23 | 上海华篷防爆科技有限公司 | Anti-explosive oil tank |
| CN102139791B (en) * | 2010-02-03 | 2013-01-16 | 北京福吉长安防爆材料有限责任公司 | Supporting structure component used for accommodating explosion suppressing material in flammable and combustible liquid storage container |
| CN102305347B (en) * | 2011-05-24 | 2012-11-21 | 张家港圣汇气体化工装备有限公司 | High-vacuum multi-layer heat-insulating deep-cooling double-shell spherical storage tank |
| CN102529905A (en) * | 2011-05-30 | 2012-07-04 | 上海华篷防爆科技有限公司 | Skid-mounted fueling station for gas filling and charging |
| CN103939731A (en) * | 2014-04-28 | 2014-07-23 | 杨元清 | Explosion-proof pressure filtering storage tank |
| CN105537867B (en) * | 2015-12-15 | 2019-02-15 | 铜陵铜官府文化创意股份公司 | Copper ball and preparation method thereof |
| CN106185094A (en) * | 2016-09-22 | 2016-12-07 | 宋俊霖 | A kind of oil tank building block system explosion-proof lamp framework and installation method thereof |
| CN115388330B (en) * | 2022-07-21 | 2023-09-12 | 浙江大学 | Impact-resistant protective material nondestructive fixing support structure suitable for high-pressure hydrogen storage device |
-
2002
- 2002-11-18 CN CN 02148812 patent/CN1244763C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1501016A (en) | 2004-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Liming Document name: Notice of publication of application for patent for invention |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HUAPENG ANTIEXPLOSIVE SCIENCE & TECHNOLO Free format text: FORMER OWNER: SHANTOU HUA'AN EXPLOSION PROTECTION SCIENCE AND TECHNOLOGY CO. LTD. Effective date: 20050930 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20050930 Address after: 200031 Huaihai Road Shanghai City No. 1720 villa Zhonglian building E Applicant after: Shanghai Huapeng Explosion-proof Technology Co.,Ltd. Address before: 200031 Huaihai Road Shanghai City No. 1720 villa Zhonglian building E Applicant before: Shantou City Huaan Riot Proof Science & Technology Co.,Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Large-scale safe explosion-proof liquefied petroleum gas spherical tank Effective date of registration: 20180508 Granted publication date: 20060308 Pledgee: CITIC Bank Tangshan branch Pledgor: Shanghai Huapeng Explosion-proof Technology Co.,Ltd. Registration number: 2018110000006 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20060308 |