CN1640788A - Large-sized floating-proof tank adaptive central drainage system and tank foam fire-proof system - Google Patents
Large-sized floating-proof tank adaptive central drainage system and tank foam fire-proof system Download PDFInfo
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- CN1640788A CN1640788A CN 200410000778 CN200410000778A CN1640788A CN 1640788 A CN1640788 A CN 1640788A CN 200410000778 CN200410000778 CN 200410000778 CN 200410000778 A CN200410000778 A CN 200410000778A CN 1640788 A CN1640788 A CN 1640788A
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- 239000006260 foam Substances 0.000 title claims description 31
- 230000003044 adaptive effect Effects 0.000 title abstract 2
- 238000007667 floating Methods 0.000 claims abstract description 84
- 230000006978 adaptation Effects 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 13
- 239000007769 metal material Substances 0.000 claims description 12
- 230000003068 static effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 239000010779 crude oil Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The adaptive central water draining system or fire extinguishing system for large floating roof tank comprises several water draining pipe sections or fire extinguishing pipe sections connected with hinge unions. The hinge union has flexible hose for connecting two adjacent water draining pipe sections or fire extinguishing pipe sections. Except the hinge union near the floating roof, all the other hinge unions have bending angle smaller than 45 deg in both idle and work states.
Description
Technical field
The present invention relates to a kind of self adaptation central authorities' drainage system and jar inner foam fire-fighting system that is used for large-scale floating roof tank (more than 10 ten thousand steres), be used to guarantee the safe operation of floating roof tank, this drainage system can be got rid of on the floating top of floating roof tank because of the ponding that rains, snows and other reasons are accumulated, and this fire-fighting system can in time be carried fire-fighting foams.
Background technology
At present, the floating top drainage system of state's internal floating roof tank adopts the rigid pipe and the metal bellow articulated joint drainage system of right angle swivel joint always, and swivel joint adopts packing seal, and this structure is now widely-used.But the reliability of service that passes through this joint of a large amount of practice discoveries is relatively poor, and the right angle swivel joint after using a period of time seepage often takes place, and causes leakage crude oil and rainwater to be excluded together, and quality and service life do not pass a test always.France coflexip company produces a kind of floating top drainage system, and it adopts flexible fabricating drainpipe made from stainless steel section, but there is following defective in this drainage system: path of motion is uncertain, is damaged by pressure by support leg easily when falling on floating top; Fire-retardant fireproof not.The collapsible floating roof drain section of pipeline flexible joint that U.S. baillietank company produces can replace swivel joint, but fire protection flame retarding and adaptivity are not poor.Jar inner foam fire-fighting system adopts and the same or analogous structure of drainage system usually.
All things considered, mainly there are following point in existing floating roof tank drainage system and foam fire fighting system:
The path of motion problem: the central drainage system of floating roof tank and jar inner foam fire-fighting system can not be floating indefinite in jar in the process of floating top motion.Otherwise, in the time of at the bottom of Fu Ding drops to jar, easily and support leg interfere, pillar might damage draining pipeline section or fire-fighting pipeline section by pressure; Simultaneously, floating top also has the phenomenon of deflection and torsional displacement, thus require the central drainage system of floating roof tank and jar inner foam fire-fighting system path of motion to determine, and certain applicable area will be arranged.
The adaptivity problem: along with the lifting on floating top, the joint of floating roof tank central authorities' drainage system and jar inner foam fire-fighting system should adapt to its variation with corresponding angular.
Service life: the service life of floating roof tank central authorities drainage system and jar inner foam fire-fighting system is by decisions such as the curvature of joint flexible pipe, arc length, angle of bend.
System anticorrosion: the oil composition complexity, contain aromatic hydrocarbons, CL-, how anticorrosionly directly relate to service life.
Because draining pipeline section or foam firefighting pipeline section comprise flexible flexible pipe, in the respiratory of floating top, can uphold or bending thereupon.For guaranteeing storage tank safety, steady, long-term operation, just require total system will guarantee also that simultaneously system does not interfere with support leg along certain track range motion to adapt to floating top change in location.The problems referred to above are crucial parts of the self adaptation central authorities' drainage system and jar inner foam fire-fighting system of large-scale floating roof tank.
Summary of the invention
In order to overcome in the prior art existing above-mentioned defective and to solve the problems of the technologies described above, the invention provides a kind of self adaptation central authorities drainage system of large-scale floating roof tank, one end of described drainage system is connected with check valve on the floating top of storage tank, the other end leads to the storage tank outside from the storage tank inner bottom part, ponding on the floating top is discharged to outside the storage tank through the draining pipeline section by tank bottom through drainage system from check valve, described drainage system comprises a plurality of draining pipeline sections, wherein, connect by the hinge joint between adjacent two draining pipeline sections in described a plurality of draining pipeline section, in the described hinge joint flexible hose is arranged, be interconnected by the described flexible hose in the hinge joint between two adjacent draining pipeline sections.
Drainage system of the present invention also can further comprise following technical characterictic: except the hinge joint on the most approaching described floating top, the angle of bend of remaining all hinges joint when static and mode of operation is all less than 45 °; Flexible hose can adopt multilayer symmetry ripple struction, can add protecting sleeve at the connecting portion place of draining pipeline section and flexible hose; On the flexible hose periphery, can integral body add metal gauze; Flexible hose integral body scribbles the anti-corrosion material coating or is covered with the anti-corrosion material sheath, so that flexible hose does not contact with stored medium in the storage tank.Anti-corrosion material can be the anti-aromatic hydrocarbon medium of acid and alkali-resistance.
On at the bottom of also can adopting fixed support that the draining pipeline section of drainage system exit end is fixedly supported upon jar.In drainage system of the present invention, can comprise four or five to seven hinge joints.
The present invention also provides a kind of self adaptation jar of large-scale floating roof tank interior fire-fighting system, foam generator on the floating top of this fire-fighting system one end and storage tank is connected, the other end leads to the storage tank outside from the storage tank inner bottom part, foam mixing liquid is upwards delivered to the foam generator place through fire-fighting system by tank bottom, described fire-fighting system comprises a plurality of fire-fighting pipeline sections, wherein, connect by the hinge joint between adjacent two fire-fighting pipeline sections in described a plurality of fire-fighting pipeline section, in the described hinge joint flexible hose is arranged, be interconnected by the described flexible hose in the hinge joint between two adjacent fire-fighting pipeline sections.
The present invention to central drainage system and jar inner foam fire-fighting system from integral structure, hinge joint version, hinge and floating connection mode of pushing up, the flexible pipe material, the flexible pipe arc length, flexible pipe curvature, aspects such as system is anticorrosion have carried out more reasonably improving, in use, draining pipeline section or fire-fighting pipeline section can not overturn, path of motion is fixed, and has a good adaptivity, simultaneously, this system adopts static seal structure to substitute movable sealing structure, therefore there is not leak source, greatly improve reliability of service and service life, and had good fire retardant performance.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Figure 1A-Fig. 1 C is the scheme drawing of the different conditions of five hinges joint drainage system of the present invention;
Fig. 2 A-Fig. 2 c is the scheme drawing of the different conditions of four hinges joint drainage system of the present invention;
Fig. 3 A-Fig. 3 C is the scheme drawing of the different conditions of five hinges joint fire-fighting system of the present invention;
Fig. 4 A-Fig. 4 c is the scheme drawing of the different conditions of four hinges joint fire-fighting system of the present invention;
Fig. 5 A and Fig. 5 B are flexible pipe and hinge interlink structural representation;
Fig. 6 A and Fig. 6 B are hinge joint and flexible pipe connecting mode scheme drawing;
Fig. 7 is ball-bearing casing hinge joint connection diagram;
The scheme drawing of hose bending form when Fig. 8 A-8E is hinge joint form and bending.
The specific embodiment
Fig. 1 and Fig. 2 show two embodiment of drainage system of the present invention respectively.Figure 1A-Fig. 1 C is the scheme drawing of different conditions that comprises the drainage system embodiment of five hinges joint; Fig. 2 A-Fig. 2 C is the scheme drawing of different conditions that comprises the drainage system of four hinges joint.
Referring to Fig. 1 and Fig. 2, a kind of self adaptation central authorities drainage system 100 of large-scale floating roof tank, one end of described drainage system 100 is connected with check valve 19 on the floating top 21 of storage tank T, the other end leads to the storage tank outside from storage tank T inner bottom part, ponding on the floating top 21 is discharged to outside the storage tank through the draining pipeline section by tank bottom through drainage system 100 from check valve 19, described drainage system 100 comprises a plurality of draining pipeline sections 17, wherein, connect by hinge joint 18 between adjacent two draining pipeline sections in described a plurality of draining pipeline section 17, in the described hinge joint 18 flexible hose 14 (referring to Fig. 5 and Fig. 6) is arranged, be interconnected by the described flexible hose 14 in the hinge joint 18 between two adjacent draining pipeline sections 17.
In the present embodiment, except the hinge joint on the most approaching described floating top 21, the angle of bend of remaining all hinges joint 18 when static and mode of operation is all less than 45 °, and certainly, hinge joint 18 also can be chosen other angle of bend as required.
As shown in Figure 5, flexible hose 14 can adopt multilayer symmetry ripple struction, can add protecting sleeve 12 at the connecting portion place of draining pipeline section 17 and flexible hose 14; On flexible hose 14 peripheries, can integrally add metal gauze; Flexible hose 14 can have integral body to scribble the anti-corrosion material coating or be covered with the anti-corrosion material sheath, so that flexible hose 14 does not contact with stored medium in the storage tank T.Above-mentioned anti-corrosion material can be the anti-aromatic hydrocarbon medium of acid and alkali-resistance.
In embodiment as illustrated in fig. 1 and 2 as can be seen, at the bottom of can adopting fixed support 5 that the draining pipeline section 17 of the exit end of drainage system 100 is fixedly supported upon jar on 10, on at the bottom of also can adopting movable support 7 will be bearing near the draining pipeline section at jar end 10 jar, in addition, also can with the chain 15 chain hanger 16 set two draining pipeline sections 17 be coupled together as required from the middle part of two draining pipeline sections.
In embodiment illustrated in figures 1 and 2, described hinge joint 18 is respectively five and four, still, also can take the hinge joint 18 of other quantity as required, for example can adopt six to seven each and every one hinges to save 18.
As shown in Figure 7, hinge joint 18 can adopt spherical bearing to connect, to increase the degree of freedom of system.Hinge joint 18 and the connection mode of draining pipeline section 17 can adopt and be welded to connect or flange is connected.As shown in Figure 6A, the employing welding manner is connected between hinge joint 18 and the draining pipeline section 17; Shown in Fig. 6 B, adopt the flange mode to be connected by flange 13 between hinge joint 18 and the draining pipeline section 17.Certainly, also can adopt alternate manner of the prior art to connect.
Connection mode between flexible hose 14 and the drain hose 17 can adopt multiple connection mode of the prior art, for example connects with adaptor union, perhaps takes other known way to connect.
In addition, hinge joint 18 can adopt coaxial symmetrical structure or coaxial dissymmetrical structure.Shown in Fig. 8 A, when ab coaxial asymmetric hinge arrangement; It during a=b coaxial symmetric hinged structure.Shown in Fig. 8 B, flexible hose 14 flexible one-tenth " Ω " types during 18 bendings of the hinge of Fig. 8 A shown type joint.
Shown in Fig. 8 C, described hinge joint (18) also can adopt out-of-alignment symmetrical structure or out-of-alignment dissymmetrical structure.Shown in Fig. 8 D, when ab the asymmetric hinge arrangement of out-of-alignment; It during a=b out-of-alignment symmetric hinged structure.Shown in Fig. 8 E, during the hinge bent-segment of Fig. 8 C, 8D shown type described flexible hose (14) flexible be ellipse arc or circular arc.
The material of flexible hose 14 can adopt the combination of non-metallic material, metallic material or non-metallic material and metallic material.
Referring to Figure 1A-1C, with five hinges joint drainage system is the principle of work that example illustrates drainage system of the present invention: the floating top 21 of storage tank T can be with the operation how much and up and down of the crude oil medium that stores in the storage tank T, one central catch pit 20 is arranged on the floating top 21, one check valve 19 is installed in the catch pit 20, and this check valve 19 can be a check valve ball.One end of drainage system 100 links to each other with check valve 19, and the other end leads to the storage tank outside from storage tank T inner bottom part.Ponding on the floating top 21 imports central catch pit 20, check valve 19 unlatchings this moment, and ponding, is discharged to ponding outside the storage tank by tank bottom through each hinge joint 18 and draining pipeline section 17 at last by check valve 19.On the draining pipeline section mouth of pipe outside the storage tank valve with respective diameters can be installed, with the break-make of control whole drainage system.
In drainage system illustrated in figures 1 and 2, in order to increase degree of freedom, draining pipeline section wherein can be made the form of bend pipe, perhaps adopt elbow to form crooked draining pipeline section, also can adopt many bend pipes and straight tube to combine as required and form the draining pipeline section.
Fig. 3 and Fig. 4 show two embodiment of fire-fighting system of the present invention respectively.Fig. 3 A and Fig. 3 B are the scheme drawings of different conditions that comprises the fire-fighting system embodiment of five hinges joint; Fig. 4 A and Fig. 4 B are the scheme drawings of different conditions that comprises the fire-fighting system of four hinges joint.
Referring to Fig. 3 and Fig. 4, a kind of fire-fighting system 200 of large-scale floating roof tank, the structure of the structure of described fire-fighting system 200 and above-mentioned drainage system 100 is basic identical, does not describe in detail one by one at this.Wherein, foam generator 220 on the floating top 21 of these fire-fighting system 200 1 ends and storage tank T is connected, the other end leads to the storage tank outside from storage tank T inner bottom part, foam mixing liquid is upwards delivered to foam generator 220 places through fire-fighting system 200 by storage tank T bottom, described fire-fighting system 200 comprises a plurality of fire-fighting pipeline sections 17, wherein, connect by hinge joint 18 between adjacent two fire-fighting pipeline sections in described a plurality of fire-fighting pipeline section 17, in the described hinge joint 18 flexible hose 14 (referring to Fig. 5 and Fig. 6) is arranged, be interconnected by the described flexible hose 14 in the hinge joint 18 between two adjacent fire-fighting pipeline sections 17.All the other structures are identical with above-mentioned drainage system 100.
Referring to Fig. 3 A-3C, be the principle of work that example illustrates fire-fighting system of the present invention with five hinges joint fire-fighting system:
For floating roof tank T, outer floating top formula storage tank has only the crude oil at notch place to contact with atmosphere behind once sealing and secondary seal, therefore fire only occurs in tank skin sealing place 222 places, this moment, foam mixing liquid was upwards delivered to foam generator 220 places through each fire-fighting pipeline section 17 and hinge joint 18 by storage tank T bottom, foam mixing liquid produces foam through foam generator 220, be assigned to tank skin sealing place 222 by foam dispenser again, play the fire-fighting effect.The outlet of fire-fighting system 200 is positioned at floating top 21 central authorities, and foam generator 220 is arranged on the floating top 21, with the together motion of floating top 21, makes that its attack time is shorter, fire-fighting efficiency is higher, safe and reliable, simultaneously, has reduced the storage level of foam liquid.
In drainage system 100 of the present invention or fire-fighting system 200, adopt static seal structure between the tube and tube, adopt hinge joint 18 to be connected between draining pipeline section 17 or fire-fighting pipeline section 17 and the flexible hose 14, increased the degree of freedom of system, in 21 respiratories of floating top, uphold or bending thereupon, make system in floating top 21 deflections, twist process, stronger comformability be arranged, do not influence the lifting on floating top 21, and keep draining pipeline section or fire-fighting pipeline section not to have peak point with slack flow downstream, path of motion has certain limit, for drainage system 100, can make the ponding stream unimpeded.And, make drainage effect in time, effectively owing to can in a storage tank T, a few cover drainage systems 100 can be installed angularly.Fire-fighting system 200 has fundamentally changed large-scale storage tank foam firefighting supply mode, has increased the reliability of fire-fighting system.
The present invention has following preceence:
Draining pipeline section 17 or fire-fighting pipeline section 17 adopt hinge to save 18 structures, flexible hose 14 overall processes are not stressed and the moment of flexure effect, whole draining pipeline section 17 or fire-fighting pipeline section 17 can not produce the dead point simultaneously, the jar inner hinge joint 18 flexible flexible hoses of being fixed 14 are upheld or bending in 21 respiratories of floating top thereupon, do not influence the lifting on floating top 21, total system is moved along fixation locus, and the holding tube group do not have peak point with slack flow downstream, to adapt to the change in location on floating top 21.
Owing to adopted a plurality of hinge joint structures, increased the degree of freedom of system, make system in floating top deflection, twist process, stronger comformability be arranged, path of motion has certain limit.
Because total system adopts static seal structure to substitute movable sealing structure.Thereby avoided the storage tank accident that lost efficacy and cause because of the swivel joint filler in the past, greatly improved reliability of service.
Joint area adopts flexible hose, all is not more than 90 degree in static and sinuousness mode of operation, and under the situation of holding capacity not, its life-span prolongs greatly.Also avoid simultaneously being prolonged in the maintenance service work cycle of native system greatly to the maintenance of rotary seal joint.
Because flexible hose has adopted the special anticorrosive flame retardant coating, can resist the corrosion of 100% aromatic hydrocarbons and most chemical products, can move in 350 following environment.
Drainage system of the present invention and fire-fighting system be rational in infrastructure, it is simple to install, adaptivity is strong, install change simple, non-maintaining, no leak, antiseptic property is strong, can be widely used in oil, chemical industry is newly-built and the various floating roof tank that using, stores various crude oil media (particularly containing seawater crude oil) and most chemical products.
Claims (26)
1. the self adaptation of large-scale floating roof tank central authorities drainage system (100), check valve (19) on the floating top (21) of one end of described drainage system (100) and storage tank (T) is connected, the other end leads to the storage tank outside from storage tank (T) inner bottom part, ponding on the floating top (21) is discharged to outside the storage tank through the draining pipeline section by tank bottom through drainage system (100) from check valve (19), described drainage system (100) comprises a plurality of draining pipeline sections (17), it is characterized in that, connect by hinge joint (18) between adjacent two draining pipeline sections in described a plurality of draining pipeline sections (17), in the described hinge joint (18) flexible hose (14) is arranged, be interconnected by the described flexible hose (14) in the hinge joint (18) between adjacent two draining pipeline sections (17).
2. the self adaptation of large-scale floating roof tank according to claim 1 central authorities drainage system, it is characterized in that, described flexible hose (14) adopts multilayer symmetry ripple struction, adds protecting sleeve (12) at the connecting portion place of described draining pipeline section (17) and flexible hose (14); Integral body adds metal gauze on flexible hose (14) periphery; Described flexible hose (14) integral body scribbles the anti-corrosion material coating or is covered with the anti-corrosion material sheath, so that described flexible hose (14) does not contact with the interior stored medium of storage tank (T).
3. the self adaptation of large-scale floating roof tank according to claim 2 central authorities drainage system is characterized in that described anti-corrosion material is the anti-aromatic hydrocarbon medium of acid and alkali-resistance.
4. the self adaptation of large-scale floating roof tank according to claim 1 central authorities drainage system is characterized in that, adopt fixed support (5) that the draining pipeline section (17) of the exit end of drainage system (100) is fixedly supported upon jar at the bottom of on (10).
5. according to the self adaptation central authorities drainage system of the described large-scale floating roof tank of one of claim 1 to 4, it is characterized in that described hinge joint (18) has four.
6. according to the self adaptation central authorities drainage system of the described large-scale floating roof tank of one of claim 1 to 4, it is characterized in that described hinge joint (18) has five.
7. according to the self adaptation central authorities drainage system of the described large-scale floating roof tank of one of claim 1 to 4, it is characterized in that described hinge joint (18) has six.
8. according to the self adaptation central authorities drainage system of the described large-scale floating roof tank of one of claim 1 to 4, it is characterized in that described hinge joint (18) has seven.
9. according to the central drainage system of the self adaptation of the described large-scale floating roof tank of one of claim 1 to 4, it is characterized in that, described hinge joint (18) adopts spherical bearing to connect, and described hinge joint (18) and the connection mode of draining pipeline section (17) can adopt and be welded to connect or flange is connected.
10. according to the central drainage system of the self adaptation of the described large-scale floating roof tank of one of claim 1 to 4, it is characterized in that, described hinge joint (18) can adopt coaxial symmetrical structure or coaxial dissymmetrical structure, the flexible one-tenth of described flexible hose (14) " Ω " type when described hinge joint (18) is crooked.
11. self adaptation central authorities drainage system according to the described large-scale floating roof tank of one of claim 1 to 4, it is characterized in that, described hinge joint (18) can adopt out-of-alignment symmetrical structure or out-of-alignment dissymmetrical structure, when described hinge joint (18) is crooked described flexible hose (14) flexible be ellipse arc or circular arc.
12. the self adaptation central authorities drainage system according to the described large-scale floating roof tank of one of claim 1 to 4 is characterized in that the material of described flexible hose (14) can adopt the combination of non-metallic material, metallic material or non-metallic material and metallic material.
13. self adaptation central authorities drainage system according to the described large-scale floating roof tank of one of claim 1 to 4, it is characterized in that, except the hinge joint on the most approaching described floating top (21), the angle of bend of remaining all hinges joint (18) when static and mode of operation is all less than 45 °.
14. fire-fighting system (200) in the self adaptation jar of a large-scale floating roof tank, foam generator (220) on the floating top (21) of described fire-fighting system (200) one ends and storage tank (T) is connected, the other end leads to the storage tank outside from storage tank (T) inner bottom part, foam mixing liquid is upwards delivered to foam generator (220) and is located through fire-fighting system (200) by storage tank (T) bottom, described fire-fighting system (200) comprises a plurality of fire-fighting pipeline sections (17), it is characterized in that, connect by hinge joint (18) between adjacent two fire-fighting pipeline sections in described a plurality of fire-fighting pipeline sections (17), in the described hinge joint (18) flexible hose (14) is arranged, be interconnected by the described flexible hose (14) in the hinge joint (18) between adjacent two fire-fighting pipeline sections (17).
15. fire-fighting system (200) in the self adaptation jar of large-scale floating roof tank according to claim 14, it is characterized in that, described flexible hose (14) adopts multilayer symmetry ripple struction, adds protecting sleeve (12) at the connecting portion place of described fire-fighting pipeline section (17) and flexible hose (14); Integral body adds metal gauze on flexible hose (14) periphery; Described flexible hose (14) integral body scribbles the anti-corrosion material coating or is covered with the anti-corrosion material sheath, so that described flexible hose (14) does not contact with the interior stored medium of storage tank (T).
16. fire-fighting system (200) in the self adaptation jar of large-scale floating roof tank according to claim 15 is characterized in that described anti-corrosion material is the anti-aromatic hydrocarbon medium of acid and alkali-resistance.
17. fire-fighting system (200) in the self adaptation jar of large-scale floating roof tank according to claim 14 is characterized in that, adopt fixed support (5) that the fire-fighting pipeline section (17) of the exit end of drainage system (100) is fixedly supported upon jar at the bottom of on (10).
18., it is characterized in that described hinge joint (18) has four according to fire-fighting system (200) in the self adaptation jar of the described large-scale floating roof tank of one of claim 14 to 17.
19., it is characterized in that described hinge joint (18) has five according to fire-fighting system (200) in the self adaptation jar of the described large-scale floating roof tank of one of claim 14 to 17.
20., it is characterized in that described hinge joint (18) has six according to fire-fighting system (200) in the self adaptation jar of the described large-scale floating roof tank of one of claim 14 to 17.
21., it is characterized in that described hinge joint (18) has seven according to fire-fighting system (200) in the self adaptation jar of the described large-scale floating roof tank of one of claim 14 to 17.
22. according to fire-fighting system (200) in the self adaptation jar of the described large-scale floating roof tank of one of claim 14 to 17, it is characterized in that, described hinge joint (18) adopts spherical bearing to connect, and described hinge joint (18) and the connection mode of fire-fighting pipeline section (17) can adopt and be welded to connect or flange is connected.
23. according to fire-fighting system (200) in the self adaptation jar of the described large-scale floating roof tank of one of claim 14 to 17, it is characterized in that, described hinge joint (18) can adopt coaxial symmetrical structure or coaxial dissymmetrical structure, the flexible one-tenth of described flexible hose (14) " Ω " type when described hinge joint (18) is crooked.
24. according to fire-fighting system (200) in the self adaptation jar of the described large-scale floating roof tank of one of claim 14 to 17, it is characterized in that, described hinge joint (18) can adopt out-of-alignment symmetrical structure or out-of-alignment dissymmetrical structure, when described hinge joint (18) is crooked described flexible hose (14) flexible be ellipse arc or circular arc.
25. according to fire-fighting system (200) in the self adaptation jar of the described large-scale floating roof tank of one of claim 14 to 17, it is characterized in that the material of described flexible hose (14) can adopt the combination of non-metallic material, metallic material or non-metallic material and metallic material.
26. according to fire-fighting system (200) in the self adaptation jar of the described large-scale floating roof tank of one of claim 14 to 17, it is characterized in that, except the hinge joint on the most approaching described floating top (21), the angle of bend of remaining all hinges joint (18) when static and mode of operation is all less than 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100007789A CN1310808C (en) | 2004-01-18 | 2004-01-18 | Large-sized floating-proof tank adaptive central drainage system and tank foam fire-proof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100007789A CN1310808C (en) | 2004-01-18 | 2004-01-18 | Large-sized floating-proof tank adaptive central drainage system and tank foam fire-proof system |
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| Publication Number | Publication Date |
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| CN1640788A true CN1640788A (en) | 2005-07-20 |
| CN1310808C CN1310808C (en) | 2007-04-18 |
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| CNB2004100007789A Expired - Lifetime CN1310808C (en) | 2004-01-18 | 2004-01-18 | Large-sized floating-proof tank adaptive central drainage system and tank foam fire-proof system |
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| CN (1) | CN1310808C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601277A (en) * | 2017-10-26 | 2018-01-19 | 南通中远重工有限公司 | A kind of super-huge crane defroster of extremely frigid zones |
| CN110683223A (en) * | 2019-10-31 | 2020-01-14 | 安徽省国发石化设备有限责任公司 | Multi-channel connecting valve for tank body of central drainage system of floating roof storage tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2193481Y (en) * | 1994-05-04 | 1995-03-29 | 扬州市东方波纹管制造公司 | Flexible corrugated pipe with flexible honeycomb duct |
| CN2243448Y (en) * | 1995-12-26 | 1996-12-25 | 吴平 | Central water discharging device |
| CN2318175Y (en) * | 1997-05-17 | 1999-05-12 | 高广维 | Central drainage device for external floating-roof oil tank |
| CN2576539Y (en) * | 2002-10-23 | 2003-10-01 | 甘新波 | Automotive chair back-board connector |
| CN1204650C (en) * | 2003-03-14 | 2005-06-01 | 华南师范大学 | Comprehensive recovering treatment technology for waste and old mobile-telephone cell |
| CN2683589Y (en) * | 2004-01-18 | 2005-03-09 | 北京九鼎绿环科技有限公司 | Self-adaptive central drainage system for large-scale floating roof tank and foam fire-extinguishing system therein |
-
2004
- 2004-01-18 CN CNB2004100007789A patent/CN1310808C/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601277A (en) * | 2017-10-26 | 2018-01-19 | 南通中远重工有限公司 | A kind of super-huge crane defroster of extremely frigid zones |
| CN110683223A (en) * | 2019-10-31 | 2020-01-14 | 安徽省国发石化设备有限责任公司 | Multi-channel connecting valve for tank body of central drainage system of floating roof storage tank |
| CN110683223B (en) * | 2019-10-31 | 2021-11-16 | 安徽省国发石化设备有限责任公司 | Multi-channel connecting valve for tank body of central drainage system of floating roof storage tank |
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| CN1310808C (en) | 2007-04-18 |
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