CN217949159U - Submarine tunnel tube coupling connects fire-proof explosion-proof construction - Google Patents
Submarine tunnel tube coupling connects fire-proof explosion-proof construction Download PDFInfo
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- CN217949159U CN217949159U CN202221507348.6U CN202221507348U CN217949159U CN 217949159 U CN217949159 U CN 217949159U CN 202221507348 U CN202221507348 U CN 202221507348U CN 217949159 U CN217949159 U CN 217949159U
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Abstract
The utility model discloses a submarine tunnel tube coupling connects fire-proof explosion-proof structure solves the unsatisfactory technical problem of prior art fire-proof explosion-proof performance. The utility model comprises a first fireproof and explosion-proof mechanism, a second fireproof and explosion-proof mechanism, a first rubber water stop and a second rubber water stop; the first fireproof and explosion-proof mechanism comprises a first annular fireproof and explosion-proof plate A and a first annular fireproof and explosion-proof plate B, and the first annular fireproof and explosion-proof plate A and the first annular fireproof and explosion-proof plate B are distributed at intervals; the second fireproof and explosion-proof mechanism comprises a second annular fireproof and explosion-proof plate, and a gap is reserved between the second annular fireproof and explosion-proof plate and the inner wall of the pipe joint. The utility model has the advantage of scientific and reasonable design, through establishing first fire and explosion protection mechanism and second fire and explosion protection mechanism at submarine tunnel tube coupling junction inner wall, can form effective protection to explosion and conflagration dangerous situation in the submarine tunnel, so can effectively guarantee that submarine tunnel inside explosion and/or conflagration dangerous situation can not influence seal structure between the tube coupling, guarantee the inside safety of tunnel.
Description
Technical Field
The utility model belongs to the technical field of submarine tunnel, concretely relates to submarine tunnel coupling joint fire-proof explosion-proof construction.
Background
The submarine tunnel is a traffic pipeline built under the seabed at straits, bay, estuary and the like for communicating traffic and transportation between land, compared with a cross-sea bridge, the submarine tunnel has the greatest advantage that the submarine tunnel is built at the bottom of the sea, so that the navigation is not influenced, and the influence of severe weather at sea is not influenced.
The method for excavating the submarine tunnel mainly comprises four methods, namely a drilling and blasting method, a pipe sinking method, a digging machine method and a shield method. The pipe sinking method is characterized in that the manufactured pipe joints are sunk to the seabed and then connected with each other, and the joint of the two pipe joints needs to be sealed by a waterproof structure, so that external seawater is prevented from permeating into the inside, and the safety in the tunnel is ensured. Since car accidents or other human safety accidents also occur in the submarine tunnel, the generated fire or explosion can cause damage to the tunnel. All be equipped with fire-proof explosion-proof structure in the tunnel tube coupling at present, the fire-proof explosion-proof of tube coupling junction is then weak relatively, can't resist high temperature or high-pressure effect, not only can make adjacent tube coupling to see to take place horizontal or longitudinal displacement, causes the skew in tunnel, still can destroy waterproof construction and lead to the sea water to flow backward when serious.
Therefore, the utility model provides a submarine tunnel tube coupling connects fire-proof explosion-proof construction to solve above-mentioned part problem at least.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: a fire-proof and explosion-proof structure for a submarine tunnel pipe joint is provided to solve at least some of the problems.
In order to achieve the above object, the utility model adopts the following technical scheme:
a submarine tunnel pipe joint fire-proof and explosion-proof structure comprises a first fire-proof and explosion-proof mechanism and a second fire-proof and explosion-proof mechanism which are arranged inside the joint of a pipe joint I and a pipe joint II, wherein a first rubber waterstop is arranged on the connecting end face of the pipe joint I and the pipe joint II, and a second rubber waterstop is arranged in a connecting cavity of the pipe joint I and the pipe joint II;
the first fireproof and explosion-proof mechanism comprises a first annular fireproof and explosion-proof plate A arranged on one end face of the pipe joint and a first annular fireproof and explosion-proof plate B arranged on the two end faces of the pipe joint, and the first annular fireproof and explosion-proof plate A and the first annular fireproof and explosion-proof plate B are distributed at intervals;
the second fire-proof and explosion-proof mechanism comprises a second annular fire-proof and explosion-proof plate, one end of the second annular fire-proof and explosion-proof plate is fixed on the inner wall of the second pipe joint, and a gap is reserved between the second annular fire-proof and explosion-proof plate and the inner wall of the first pipe joint.
Furthermore, aluminum silicate fiber cotton is filled among the second annular fireproof and explosion-proof plate, the first annular fireproof and explosion-proof plate A and the first annular fireproof and explosion-proof plate B.
Furthermore, a first annular mounting seat is arranged on one end face of the pipe joint, and the first annular fireproof and explosion-proof plate A is fixedly connected with the first annular mounting seat; and a second annular mounting seat is arranged on the two end faces of the pipe joint, and the first annular fireproof and explosion-proof plate B is fixedly connected with the second annular mounting seat.
Furthermore, the lengths of the first annular fireproof and explosion-proof plate A and the first annular fireproof and explosion-proof plate B are both greater than three-quarters of the length of the connecting cavity of the pipe joint I and the pipe joint II.
Furthermore, a plurality of first annular corrugated plates are arranged between the first annular fireproof and explosion-proof plate A and the first annular fireproof and explosion-proof plate B, the outer ring of each first annular corrugated plate is connected with the inner wall of the first annular fireproof and explosion-proof plate A in a sealing manner, and the inner ring of each first annular corrugated plate is connected with the outer wall of the first annular fireproof and explosion-proof plate B in a sealing manner.
Further, the first annular fireproof and explosion-proof plate A and the first annular fireproof and explosion-proof plate B are identical in structure and respectively comprise a first annular steel plate, an annular vermiculite fireproof plate arranged on the first annular steel plate and a second annular steel plate arranged on the annular vermiculite fireproof plate, and the first annular steel plate and the second annular steel plate are both made of 304 stainless steel;
the periphery of the annular vermiculite fireproof plate is coated with a layer of geomembrane with a waterproof function, and the thickness of the geomembrane is 0.5-0.8mm.
Furthermore, an annular groove matched with the annular vermiculite fireproof plate is formed in the top surface of the first annular steel plate, the annular vermiculite fireproof plate is embedded in the annular groove, the second annular steel plate is covered on the annular vermiculite fireproof plate and is fixedly connected with the second annular steel plate, the annular vermiculite fireproof plate and the first annular steel plate through bolts, and a circle of sealing ring is arranged at the joint of the second annular steel plate and the annular groove.
Furthermore, the annular vermiculite fire-proof plate comprises a plurality of arc-shaped vermiculite fire-proof plates spliced end to end, the second annular steel plate comprises a plurality of arc-shaped steel plates spliced end to end, and gaps between every two adjacent arc-shaped vermiculite fire-proof plates and every two adjacent arc-shaped steel plates are filled with tile glue.
Furthermore, the two end faces of the pipe joint are provided with a third annular mounting seat, the second annular fireproof and explosion-proof plate is fixedly connected with the third annular mounting seat, a second annular corrugated plate is arranged between the one end face of the pipe joint and the second annular fireproof and explosion-proof plate, the outer ring of the second annular corrugated plate is connected with one end face of the pipe joint in a sealing manner, and the inner ring of the second annular corrugated plate is connected with the outer wall of the second annular corrugated plate in a sealing manner.
Furtherly, second annular fire prevention explosion-proof board includes third annular steel sheet and sealed lid connects the annular iron skin plate on the third annular steel sheet inner wall, is equipped with the cavity between third annular steel sheet and the annular iron skin plate, and the equipartition has a plurality of to support the steel column in the cavity, supports the steel column both ends and fixes with third annular steel sheet and annular iron skin plate respectively, and the cavity intussuseption is filled with inert gas, and third annular steel sheet, annular iron skin plate and support the steel column all adopt 304 stainless steel to make.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model has the advantages of simple structure and scientific and reasonable design, through establishing first fire prevention explosion-proof mechanism and second fire prevention explosion-proof mechanism at submarine tunnel tube coupling junction inner wall, can form effective protection to explosion and conflagration dangerous situation in the submarine tunnel, so can effectively guarantee that submarine tunnel inside explosion and/or conflagration dangerous situation can not influence seal structure between the tube coupling, guarantee the inside safety of tunnel.
Drawings
Fig. 1 is a sectional view of the structure of the present invention.
Fig. 2 is a sectional view of the first annular fireproof and explosion-proof plate a or the first annular fireproof and explosion-proof plate B of the present invention.
Fig. 3 is a sectional view of the first annular steel plate of the present invention.
Fig. 4 is a section view of the annular vermiculite fire-proof plate of the invention.
Fig. 5 is a cross-sectional view of a second annular steel plate according to the present invention.
Fig. 6 is a connection diagram of the arc-shaped vermiculite fire-proof plate of the utility model.
Fig. 7 is a connection diagram of the arc-shaped steel plate of the utility model.
Fig. 8 is a sectional view of the second ring-shaped fire-proof and explosion-proof plate of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-pipe joint I, 2-pipe joint II, 4-first fireproof and explosion-proof mechanism, 5-second fireproof and explosion-proof mechanism, 6-first rubber waterstop, 7-second rubber waterstop, 11-first annular mounting seat, 12-second annular corrugated plate, 21-second annular mounting seat, 22-third annular mounting seat, 41-first annular fireproof and explosion-proof plate A, 42-first annular fireproof and explosion-proof plate B, 43-first annular corrugated plate, 44-first annular steel plate, 45-annular vermiculite fire-proof plate, 46-second annular steel plate, 47-geomembrane, 48-sealing ring, 49-ceramic tile glue, 51-second annular fireproof and explosion-proof plate, 52-third annular steel plate, 53-annular iron skin plate, 54-cavity, 55-supporting steel column, 56-gap, 441-annular groove, 451-arc-shaped vermiculite fire-proof plate, 461-arc-shaped steel plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; of course, the connection may be mechanical or electrical; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1-8, the utility model provides a pair of submarine tunnel tube coupling connects fire prevention and explosion protection structure, including locating the outside first explosion-proof machanism 3 of tube coupling 1 and tube coupling two 2 junction and locating the inside first fire prevention and explosion protection machanism 4 and the second fire prevention and explosion protection machanism 5 of tube coupling 1 and tube coupling two 2 junction, tube coupling 1 and tube coupling two 2 connection terminal surface are equipped with first rubber waterstop 6, and tube coupling 1 and tube coupling two 2 connection cavity are equipped with second rubber waterstop 7.
The utility model has the advantages of simple structure and scientific and reasonable design, through establishing first fire prevention explosion-proof mechanism and second fire prevention explosion-proof mechanism at submarine tunnel tube coupling junction inner wall, can form effective protection to explosion and conflagration dangerous situation in the submarine tunnel, so can effectively guarantee that the inside explosion of submarine tunnel and/or the conflagration dangerous situation can not influence the sealing performance of first rubber waterstop 6 between the tube coupling and second rubber waterstop 7, guarantee that the outside silt of submarine tunnel or sea water can not permeate to inside the tunnel, thereby guarantee safety in the tunnel.
The utility model discloses first rubber waterstop 6 and second rubber waterstop 7 all fix at the tube coupling tip through mount pad and bolt seal, and traditional submarine tunnel tube coupling sealing strip's installation can be referred to first rubber waterstop 6 and second rubber waterstop 7 mounting structure.
The utility model discloses first fire and explosion protection mechanism 4 is including the first annular fire and explosion protection board A41 of locating the first 1 terminal surface of tube coupling and locate the first annular fire and explosion protection board B42 of two 2 terminal surfaces of tube coupling, first annular fire and explosion protection board A41 and first annular fire and explosion protection board B42 interval distribution. The lengths of the first annular fireproof and explosion-proof plate A41 and the first annular fireproof and explosion-proof plate B42 are both greater than three-quarters of the length of the connecting cavity of the pipe joint I1 and the pipe joint II 2. The end face of the first pipe joint 1 is provided with a first annular mounting seat 11, and a first annular fireproof and explosion-proof plate A41 is fixedly connected with the first annular mounting seat 11; the second annular mounting seat 21 is arranged on the end face of the second pipe joint 2, and the first annular fireproof and explosion-proof plate B42 is fixedly connected with the second annular mounting seat 21.
The utility model discloses establish interval distribution's first annular fire prevention explosion-proof board A41 and first annular fire prevention explosion-proof board B42 in tube coupling junction cavity, when submarine tunnel is inside to be conflicted or when exploding, can form double-deck protection to first rubber waterstop 6 and second rubber waterstop 7 between the tube coupling, avoid first rubber waterstop 6 and second rubber waterstop 7 to receive the inside dangerous situation influence of submarine tunnel, guarantee that submarine tunnel is inside can not produce the secondary dangerous situation that the sea water flows backward because of the dangerous situation. First annular fire and explosion protection board A41 and first annular fire and explosion protection board B42 interval distribution receive when strikeing production relative displacement between the tube coupling, can effectively avoid producing rigid contact between first annular fire and explosion protection board A41 and the first annular fire and explosion protection board B42, avoid both to produce mutual collision damage when relative displacement between the tube coupling.
The utility model discloses be equipped with the first annular buckled plate 43 of a plurality of between first annular fire prevention explosion-proof board A41 and the first annular fire prevention explosion-proof board B42, first annular buckled plate 43 outer ring links to each other with first annular fire prevention explosion-proof board A41 inner wall is sealed, and first annular buckled plate 43 inner ring links to each other with first annular fire prevention explosion-proof board B42 outer wall is sealed. The number of the first annular corrugated plates 43 is preferably two, and one is arranged at each end of the first annular fireproof and explosion-proof plate a41 and the first annular fireproof and explosion-proof plate B42, so that the sealing performance can be effectively improved.
The first annular fireproof and explosion-proof plate A41 and the first annular fireproof and explosion-proof plate B42 of the utility model have the same structure and respectively comprise a first annular steel plate 44, an annular vermiculite fireproof plate 45 arranged on the first annular steel plate 44 and a second annular steel plate 46 arranged on the annular vermiculite fireproof plate 45, wherein the first annular steel plate 44 and the second annular steel plate 46 are both made of 304 stainless steel; the periphery of the annular vermiculite fire-proof plate 45 is coated with a layer of geomembrane 47 with the waterproof function, and the thickness of the geomembrane 47 is 0.5-0.8mm.
The utility model discloses ring channel 441 with 45 looks adaptations of annular vermiculite PLASTIC LAMINATED is seted up to first annular steel sheet 44 top surface, and annular vermiculite PLASTIC LAMINATED 45 inlays and adorns in ring channel 441, and second annular steel sheet 46 lid is located on the annular vermiculite PLASTIC LAMINATED 45 and is fastened second annular steel sheet 46, annular vermiculite PLASTIC LAMINATED 45 and first annular steel sheet 44 through the bolt and link to each other, and second annular steel sheet 46 is equipped with round sealing washer 48 with the ring channel 441 junction.
The utility model discloses annular vermiculite PLASTIC LAMINATED 451 includes the arc vermiculite PLASTIC LAMINATED 451 of a plurality of end to end concatenations, and second annular steel sheet 46 includes the arc steel sheet 461 of a plurality of end to end concatenations, and the gap between adjacent arc vermiculite PLASTIC LAMINATED 451 and the adjacent arc steel sheet 461 is all filled with the ceramic tile glue 49. The thickness of the arc-shaped vermiculite fireproof plate 451 is 25mm.
The utility model discloses first annular fire prevention explosion-proof board A41 is the same with first annular fire prevention explosion-proof board B42 structure, all include first annular steel sheet 44, annular vermiculite PLASTIC LAMINATED 45 and second annular steel sheet 46, first annular steel sheet 44 is the annular for whole, install at the coupling tip through the annular mount pad, ring channel 441 is established in the first annular steel sheet 44 outside, arc vermiculite PLASTIC LAMINATED 451 inlays the dress in ring channel 441, the sealed lid of rethread arc steel sheet 461 connects the back through bolt-up. Therefore, the second annular steel plate 46 and the first annular steel plate 44 seal and encapsulate the annular vermiculite fireproof plate 45 in the sealed chamber formed by the two, and the annular vermiculite fireproof plate 45 is in a sealed environment, so that the fireproof performance of the annular vermiculite fireproof plate can be effectively prevented from being affected by moisture. By the design, the fireproof and explosion-proof performance is high, and the arc-shaped vermiculite fireproof plate 451 can be conveniently overhauled and replaced in the later period.
The utility model discloses second fire and explosion protection mechanism 5 includes that one end is fixed in second annular fire and explosion protection board 51 on the pipe coupling two 2 inner walls, persists gapped 56 between second annular fire and explosion protection board 51 and the pipe coupling 1 inner wall.
The utility model discloses two 2 terminal surfaces of tube coupling are equipped with third annular mount pad 22, and second ring fire prevention explosion-proof board 51 links to each other with third annular mount pad 22 is fixed, is equipped with second annular buckled plate 12 between one 1 terminal surface of tube coupling and the second ring fire prevention explosion-proof board 51, and 12 outer rings of second annular buckled plate link to each other with one 1 end face seal of tube coupling, and 12 inner rings of second annular buckled plate link to each other with 12 outer wall seals of second annular buckled plate.
The utility model discloses it is gapped 56 to persist between second annular fire and explosion protection board 51 and a tube coupling 1 inner wall, when receiving the impact production relative displacement between the tube coupling, can effectively avoid producing the rigidity contact between second annular fire and explosion protection board 51 and a tube coupling 1 inner wall, avoids both to collide mutually when producing relative displacement between the tube coupling and damages. The second annular fireproof and explosion-proof plate 51 is sealed with the inner wall of the first pipe joint 1 by the second annular corrugated plate 12, so that the sealing of the connecting part of the pipe joints can be effectively ensured.
The utility model discloses second annular fire prevention explosion-proof board 51 includes third annular steel sheet 52, and sealed lid connects annular iron skin 53 on third annular steel sheet 52 inner wall, be equipped with cavity 54 between third annular steel sheet 52 and the annular iron skin 53, the equipartition has a plurality of to support steel column 55 in the cavity 54, it is fixed mutually with third annular steel sheet 52 and annular iron skin 53 respectively to support steel column 55 both ends, the intussuseption of cavity 54 is filled with inert gas, third annular steel sheet 52, annular iron skin 53 and support steel column 55 all adopt 304 stainless steels to make. The utility model discloses second ring-shaped fire prevention explosion-proof board 51 also can adopt the anti board of violently of 9.5mm fibre or the anti board of violently of aluminium honeycomb foam sandwich structure, and the anti board of violently of aluminium honeycomb foam sandwich structure is established between two-layer aluminum plate promptly and is constituteed by honeycomb foam sandwich structure.
The utility model discloses it is equipped with annular iron sheet board 53 to add on the inner wall of third annular steel sheet 52 in towards the tunnel to be formed with sealed cavity 54 between annular iron sheet board 53 and the third annular steel sheet 52 inner wall, this cavity 54 intussuseption is filled with inert gas, when producing powerful shock wave because of explosion etc. in the tunnel, can destroy the seal structure of cavity 54, thereby the inert gas in the release cavity 54 prevents to produce secondary fire dangerous situation because of the explosion. The supporting steel columns 55 can effectively support the annular iron sheet plate 53 and keep the appearance smooth.
The utility model discloses it has aluminium silicate fiber cotton to fill between second annular fire and explosion prevention board 51, first annular fire and explosion prevention board A41 and first annular fire and explosion prevention board B42. Namely between first annular fire and explosion protection board A41 and first annular fire and explosion protection board B42, between first annular fire and explosion protection board A41 and second annular fire and explosion protection board 51, and evenly fill between first annular fire and explosion protection board B42 and second annular fire and explosion protection board 51 and have aluminium silicate fiber cotton, through at second annular fire and explosion protection board 51, first annular fire and explosion protection board A41, and the clearance of first annular fire and explosion protection board B42 packs aluminium silicate fiber cotton, aluminium silicate fiber cotton has low thermal conductivity, low thermal capacity, good chemical stability, good thermal stability, and shock resistance, good tensile strength, good sound absorptivity, so can effectively improve the utility model relates to a submarine tunnel tube coupling connects fire and explosion protection structure's fire prevention antiknock performance.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and certainly not to limit the scope of the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems solved by the present invention are still consistent with the present invention, and all the modifications or colors made in the spirit and the idea of the main design of the present invention are included in the protection scope of the present invention; in addition, will the technical scheme of the utility model direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.
Claims (10)
1. A submarine tunnel pipe joint fire-proof and explosion-proof structure is characterized by comprising a first fire-proof and explosion-proof mechanism (4) and a second fire-proof and explosion-proof mechanism (5) which are arranged inside the joint of a pipe joint I (1) and a pipe joint II (2), wherein a first rubber water stop (6) is arranged on the connecting end surface of the pipe joint I (1) and the pipe joint II (2), and a second rubber water stop (7) is arranged in a connecting cavity of the pipe joint I (1) and the pipe joint II (2);
the first fireproof and explosion-proof mechanism (4) comprises a first annular fireproof and explosion-proof plate A (41) arranged on the end face of the first pipe joint (1) and a first annular fireproof and explosion-proof plate B (42) arranged on the end face of the second pipe joint (2), and the first annular fireproof and explosion-proof plate A (41) and the first annular fireproof and explosion-proof plate B (42) are distributed at intervals;
the second fireproof and explosion-proof mechanism (5) comprises a second annular fireproof and explosion-proof plate (51) with one end fixed on the inner wall of the second pipe joint (2), and a gap (56) is reserved between the second annular fireproof and explosion-proof plate (51) and the inner wall of the first pipe joint (1).
2. The submarine tunnel pipe joint fire-proof and explosion-proof structure according to claim 1, wherein: aluminum silicate fiber cotton is filled among the second annular fireproof and explosion-proof plate (51), the first annular fireproof and explosion-proof plate A (41) and the first annular fireproof and explosion-proof plate B (42).
3. The submarine tunnel pipe joint fire-proof and explosion-proof structure according to claim 1, wherein: the end face of the first pipe joint (1) is provided with a first annular mounting seat (11), and a first annular fireproof and explosion-proof plate A (41) is fixedly connected with the first annular mounting seat (11); the end face of the pipe joint II (2) is provided with a second annular mounting seat (21), and the first annular fireproof and explosion-proof plate B (42) is fixedly connected with the second annular mounting seat (21).
4. The submarine tunnel pipe joint fire-proof and explosion-proof structure according to claim 1, wherein: the lengths of the first annular fireproof and explosion-proof plate A (41) and the first annular fireproof and explosion-proof plate B (42) are both greater than three-fourths of the length of the connecting cavity of the first pipe joint (1) and the second pipe joint (2).
5. The submarine tunnel pipe joint fire-proof and explosion-proof structure according to claim 1, wherein: be equipped with the first annular buckled plate of a plurality of (43) between first annular fire prevention explosion-proof board A (41) and first annular fire prevention explosion-proof board B (42), first annular buckled plate (43) outer ring links to each other with first annular fire prevention explosion-proof board A (41) inner wall is sealed, and first annular buckled plate (43) inner ring links to each other with first annular fire prevention explosion-proof board B (42) outer wall is sealed.
6. The submarine tunnel pipe joint fire-proof and explosion-proof structure according to claim 1, wherein: the first annular fireproof and explosion-proof plate A (41) and the first annular fireproof and explosion-proof plate B (42) are identical in structure and respectively comprise a first annular steel plate (44), an annular vermiculite fireproof plate (45) arranged on the first annular steel plate (44) and a second annular steel plate (46) arranged on the annular vermiculite fireproof plate (45), and the first annular steel plate (44) and the second annular steel plate (46) are both made of 304 stainless steel;
the periphery of the annular vermiculite fire-proof plate (45) is coated with a layer of geomembrane (47) with a waterproof function, and the thickness of the geomembrane (47) is 0.5-0.8mm.
7. The submarine tunnel pipe joint fire-proof and explosion-proof structure according to claim 6, wherein: the top surface of the first annular steel plate (44) is provided with an annular groove (441) matched with the annular vermiculite fireproof plate (45), the annular vermiculite fireproof plate (45) is embedded in the annular groove (441), the second annular steel plate (46) is covered on the annular vermiculite fireproof plate (45) and is tightly connected with the second annular steel plate (46), the annular vermiculite fireproof plate (45) and the first annular steel plate (44) through bolts, and the joint of the second annular steel plate (46) and the annular groove (441) is provided with a circle of sealing ring (48).
8. The submarine tunnel pipe joint fire-proof and explosion-proof structure according to claim 7, wherein: the annular vermiculite fire-proof plate (45) comprises a plurality of arc-shaped vermiculite fire-proof plates (451) spliced end to end, the second annular steel plate (46) comprises a plurality of arc-shaped steel plates (461) spliced end to end, and gaps between the adjacent arc-shaped vermiculite fire-proof plates (451) and the adjacent arc-shaped steel plates (461) are filled with tile glue (49).
9. The submarine tunnel pipe joint fire-proof and explosion-proof structure according to claim 1, wherein: the second pipe joint (2) end face is provided with a third annular mounting seat (22), a second annular fireproof and explosion-proof plate (51) is fixedly connected with the third annular mounting seat (22), a second annular corrugated plate (12) is arranged between the first pipe joint (1) end face and the second annular fireproof and explosion-proof plate (51), the outer ring of the second annular corrugated plate (12) is connected with the first pipe joint (1) end face in a sealing mode, and the inner ring of the second annular corrugated plate (12) is connected with the outer wall of the second annular corrugated plate (12) in a sealing mode.
10. The submarine tunnel pipe joint fire-proof and explosion-proof structure according to claim 1, wherein: second annular fire prevention explosion-proof plate (51) includes third annular steel sheet (52), and sealed lid connects annular iron skin plate (53) on third annular steel sheet (52) inner wall, be equipped with cavity (54) between third annular steel sheet (52) and annular iron skin plate (53), the equipartition has a plurality of to support steel column (55) in cavity (54), it is fixed mutually with third annular steel sheet (52) and annular iron skin plate (53) respectively to support steel column (55) both ends, cavity (54) intussuseption is filled with inert gas, third annular steel sheet (52), annular iron skin plate (53) and support steel column (55) all adopt 304 stainless steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221507348.6U CN217949159U (en) | 2022-06-16 | 2022-06-16 | Submarine tunnel tube coupling connects fire-proof explosion-proof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221507348.6U CN217949159U (en) | 2022-06-16 | 2022-06-16 | Submarine tunnel tube coupling connects fire-proof explosion-proof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217949159U true CN217949159U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221507348.6U Active CN217949159U (en) | 2022-06-16 | 2022-06-16 | Submarine tunnel tube coupling connects fire-proof explosion-proof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217949159U (en) |
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2022
- 2022-06-16 CN CN202221507348.6U patent/CN217949159U/en active Active
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