Quick mounting device for fragile sealing element and foam generator

Abstract

The utility model discloses a fragile sealing element fast-assembling device and a foam generator, the fast-assembling device comprises a base, the base is annular, a step ring is arranged on the inner wall of the base, the inner wall of the base is detachably connected with a pressing ring, and a fragile sealing element is arranged between the pressing ring and the step ring; a dismounting tool matching part is arranged at the end, away from the fragile sealing piece, of the pressing ring. One-time installation and subsequent replacement of the sealing glass can be achieved only by dismounting the pressing ring, and the sealing glass is rapidly installed and replaced, so that the construction time is effectively shortened, the high-altitude operation risk is reduced, and the working efficiency is improved. The utility model can be widely applied to the fields of petrochemical industry and petroleum industry, and the installation and maintenance of oil-water tank fire-fighting equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fire safety, specifically to a kind of fragile sealing element quick mounting device and foam generator. BACKGROUND

[0002] Foam generator is one of fire safety accessories installed on the top of gathering and transportation station tank, and the sealing glass of foam generator is used to prevent the evaporation and leakage of gas in the tank.

[0003] The existing foam generator shell and parts are prone to serious corrosion, and since they are fixed by bolts, it is difficult to disassemble the sealing glass after serious corrosion, which leads to long construction time and high-altitude operation risk.

[0004] Publication No.: CN220443071U discloses a self-opening and closing self-resetting foam generator, which comprises a foam generator body, a liquid inlet pipe, a foaming net, a liquid outlet pipe and a sealing structure.

[0005] This prior art does not use bolts for fixation, and the contact surface of the metal sealing plate of this prior art cannot guarantee the sealing effect, which poses a risk of leakage.

[0006] Publication No.: CN220989468U discloses an environmentally friendly low-multiple air foam generator sealing device, which comprises a shell, an inlet pipe fixedly installed at the bottom end of the shell, a base fixedly connected to the top end of the inlet pipe and penetrating through the inner wall of the shell, a sealing element clamped in the inner wall of the base, gaskets placed above and below the sealing element in the inner wall of the base, a pressing plate fixedly installed at the top end of the base through a bolt, an outlet pipe fixedly connected to the bottom of the shell, an installation seat fixedly connected to the bottom of the inner wall of the inlet pipe, recesses formed on both sides of the inner wall of the bottom end of the installation seat, springs fixedly connected to the inner walls of the two recesses, and anti-reverse flaps fixedly connected to one end of the two springs.

[0007] The sealing glass of this prior art is fixed by bolts, and it is difficult to disassemble the sealing glass after serious corrosion.

[0008] Publication No.: CN219185677U discloses a leakage-proof low-multiple air foam generator, which comprises a shell, a sealing assembly and a cover plate.

[0009] The sealing glass of the prior art is fixed by bolts, and it is difficult to disassemble the sealing glass after serious corrosion.

[0010] In summary, the technical solutions of the above disclosed technologies, the technical problems to be solved and the beneficial effects generated are all different from those of the utility model, and the above disclosed technical documents do not have technical inspiration for more technical features and technical problems to be solved and beneficial effects of the utility model. Utility model content

[0011] In view of the above defects existing in the prior art, the utility model aims at providing a fragile sealing element quick mounting device and a foam generator.

[0012] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0013] On the one hand, the utility model provides a fragile sealing element quick mounting device, which comprises a base, the base is annular, a stepped ring is arranged on the inner wall of the base, and characterized in that a pressing ring is detachably connected to the inner wall of the base, a fragile sealing element is arranged between the pressing ring and the stepped ring, and a dismounting tool cooperation part is arranged at the end of the pressing ring away from the fragile sealing element.

[0014] Further, a spiral clamping groove is arranged on the inner wall of the base close to one end of the pressing ring, a spiral clamping ring is arranged on the outer wall of the pressing ring, and the spiral clamping groove is connected with the spiral clamping ring.

[0015] Further, the dismounting tool cooperation part comprises a square groove and an auxiliary threaded hole.

[0016] Specifically, at least two square grooves and auxiliary threaded holes are arranged and evenly distributed in the circumferential direction of the pressing ring, and the square grooves and the auxiliary threaded holes are arranged alternately.

[0017] Further, the fragile sealing element comprises a first sealing gasket and sealing glass.

[0018] Specifically, a groove is arranged on the inner wall of the first sealing gasket, the sealing glass is embedded in the groove, and a scratch is arranged on the sealing glass.

[0019] Further, the depth of the scratch is 70%-80% of the thickness of the sealing glass.

[0020] On the other hand, the utility model provides a foam generator, which comprises a foam generator shell, the foam generator shell is a cavity structure, the foam generator shell is provided with a liquid inlet and a liquid outlet, and the foam generator shell is internally provided with the fragile sealing element quick mounting device on one side at the liquid outlet; and a side groove is formed in the side wall of the foam generator shell.

[0021] Further, the liquid inlet is connected with a nozzle, and the liquid outlet is connected with a spray pipe.

[0022] Further, the base is fixedly connected with the foam generator shell through bolts.

[0023] Specifically, the outer wall of the base is provided with a connecting seat, a threaded hole is arranged in the connecting seat, the foam generator shell is provided with a mounting hole corresponding to the threaded hole, and the threaded hole and the mounting hole are fixedly connected through bolts.

[0024] Specifically, the second sealing gasket is arranged between the base and the foam generator shell.

[0025] Further, the foaming plate is clamped in the side slot, and air inlet holes are formed in the foaming plate.

[0026] Further, the outer wall of the foam generator shell is movably connected with a protective plate outside the side slot, and the protective plate can cover the foaming plate in the closed state.

[0027] Compared with the prior art, the utility model has the following beneficial effects:

[0028] 1. The utility model once installs, and only needs to dismount the compression ring after replacing the sealing glass, quickly installs and replaces the sealing glass, effectively shortens construction time, reduces high-altitude operation risk, and improves work efficiency.

[0029] 2. The utility model can meet the requirement of quick dismounting and quick mounting of the sealing glass, has good sealing effect, prevents leakage caused by hydrogen sulfide gas corrosion, is convenient and fast to operate, can be completed in 20 minutes, greatly reduces high-altitude operation risk, saves time and effort, and also reduces cost expenditure.

[0030] 3. The utility model can be widely applied to petrochemical and petroleum industrial fields and installation and maintenance of oil-water tank fire-fighting equipment. DRAWINGS

[0031] Figure 1 is a structural schematic view of a foam generator in the utility model;

[0032] Figure 2 is an installation schematic view of a quick mounting device, a protective plate and a foaming plate of a fragile sealing element in the foam generator in the utility model;

[0033] Figure 3 is a structural schematic view of a quick mounting device of a fragile sealing element in the utility model;

[0034] Figure 4 is a structural schematic view of a fragile sealing element in the utility model;

[0035] Figure 5It is the structural schematic view of the second sealing gasket in the utility model.

[0036] In the figure: 1, foam generator shell; 2, nozzle; 3, spray pipe; 4, guide plate group; 5, side slot; 6, base; 7, guard plate; 8, foaming plate; 9, air inlet hole; 10, mounting hole; 11, threaded hole; 12, spiral clamping groove; 13, sealing glass; 14, scratch; 15, compression ring; 16, spiral clamping ring; 17, first sealing gasket; 18, second sealing gasket; 19, step ring; 20, spiral clamping groove; 21, square groove; 22, auxiliary threaded hole. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0038] Embodiment 1:

[0039] Please refer to Figure 3 、 Figure 4 The embodiment provides a fragile sealing piece quick-mounting device, which comprises a base 6, the base 6 is annular, a step ring 19 is arranged on the inner wall of the base 6, a compression ring 15 is detachably connected to the inner wall of the base 6, a fragile sealing piece is arranged between the compression ring 15 and the step ring 19, and a dismounting tool cooperation part is arranged at the end, away from the fragile sealing piece, of the compression ring 15.

[0040] In use, the base 6 is connected to a pipeline or a shell in which the fragile sealing piece is needed to be arranged through bolts or welding, the fragile sealing piece is placed on the step ring 19, the compression ring 15 is installed to complete sealing, and when the fragile sealing piece needs to be replaced, the compression ring 15 is dismounted through the dismounting tool cooperation part to take out and replace the fragile sealing piece.

[0041] Specifically, a spiral clamping groove 12 is arranged on the inner wall of one end of the base 6 close to the compression ring 15, a spiral clamping ring 16 is arranged on the outer wall of the compression ring 15, and the spiral clamping groove 12 is connected with the spiral clamping ring 16.

[0042] Specifically, the dismounting tool cooperation part comprises square grooves 21 and auxiliary threaded holes 22, the square grooves 21 and the auxiliary threaded holes 22 are evenly distributed along the circumferential direction of the compression ring 15, and the square grooves 21 and the auxiliary threaded holes 22 are arranged alternately.

[0043] In order to prevent the installation position from rusting and being difficult to disassemble, by opening a square groove 21 and an auxiliary threaded hole 22 on the end face of the compression ring 15, using a crowbar against one set of square grooves 21, and using a hammer to gently knock the other end of the crowbar, the compression ring 15 can be loosened, then a bolt is installed in one set of auxiliary threaded holes 22, and the bolt is used as a handle to rotate the compression ring 15, so that the compression ring 15 can be easily disassembled.

[0044] Specifically, the breakable seal includes a first sealing gasket 17, and a sealing glass 14, a groove is arranged on the inner wall of the first sealing gasket 17, and the sealing glass 14 is embedded in the groove, and a scratch 14 is arranged on the sealing glass 14, so that the sealing glass 14 can be broken by liquid.

[0045] Embodiment 2:

[0046] Based on embodiment 1, in the embodiment, the depth of the scratch 14 is 70%-80% of the thickness of the sealing glass 13, and preferably 80%. By setting the depth of the scratch 14 to be 80% of the thickness of the sealing glass 13, it can be ensured that the sealing glass 13 can be broken by liquid, and it can be ensured that the equipment can operate normally in the event of a fire.

[0047] The first sealing gasket 17 is a ring-shaped hydrogenated butadiene rubber material. The ring-shaped hydrogenated butadiene rubber material has good heat resistance and can maintain stable performance in a high-temperature environment. It has excellent chemical stability and strong resistance to many chemicals and solvents. The ring-shaped hydrogenated butadiene rubber material has excellent mechanical properties, such as high strength, high hardness, and wear resistance.

[0048] Embodiment 3:

[0049] Please refer to Figures 1-5 Based on embodiment 1 or embodiment 2, the embodiment provides a foam generator, which includes a foam generator shell 1, the foam generator shell 1 is a hollow structure, the foam generator shell 1 is provided with a liquid inlet and a liquid outlet, and the foam generator shell 1 is internally provided with the breakable seal quick mounting device of embodiment 1 at the liquid outlet, and a side slot 5 is arranged on the side wall of the foam generator shell 1, which is used for air inlet and provides an operation window for the breakable seal quick mounting device.

[0050] Specifically, the liquid inlet is welded or threadedly connected with a nozzle 2, and the nozzle 2 is used to connect a foam supply device.

[0051] Specifically, the liquid outlet is welded or threadedly connected with a spray pipe 3, and the spray pipe 3 is used to connect flammable facilities such as oil tanks, and the outlet of the spray pipe 3 points to a flammable area.

[0052] Further, the base 6 is fixedly connected with the foam generator shell 1 by bolts, an outer wall of the base 6 is provided with a connecting seat, a threaded hole 11 is arranged in the connecting seat, the foam generator shell 1 is provided with a mounting hole 10 corresponding to the threaded hole 11, the threaded hole 11 and the mounting hole 10 are fixedly connected by bolts, and a second sealing gasket 18 is arranged between the base 6 and the foam generator shell 1 for sealing. Since the base 6 needs to be installed only once and does not need to be disassembled for later maintenance, the second sealing gasket 18 arranged between the position inside the base 6 and the position inside the foam generator shell 1 can prolong the service life of the base 6.

[0053] Specifically, the second sealing gasket 18 is annular and made of hydrogenated butadiene-acrylonitrile material

[0054] In use, the base 6 is installed in the corresponding position inside the foam generator shell 1 by cooperation of the bolts and the threaded holes 11, and the base 6 needs to be installed only once and does not need to be disassembled for later maintenance. Then, the sealing glass 13 is sleeved in the inner groove of the first sealing gasket 17, the sealing glass 13 with the installed first sealing gasket 17 is placed at the end face of the step ring 19 inside the base 6, and the compression ring 15 is rotated and extruded to one side of the sealing glass 13 until fixed by cooperation of the screw clasp 16 and the screw clamping groove 12. The device shortens the construction time, reduces the risk of high-altitude operation, and only needs to disassemble the compression ring 15 for subsequent replacement of the sealing glass 13.

[0055] Embodiment 4:

[0056] On the basis of embodiment 3, in the present embodiment, the side slot 5 is clamped with a foaming plate 8, and a plurality of groups of air inlet holes 9 are uniformly arranged on the foaming plate 8. The foaming plate 8 can help to uniformly distribute the gas or foaming agent through the air inlet holes 9 on the surface of the foaming plate 8, so as to promote the formation and stability of the foam. The foaming plate 8 can help the foam to be better maintained after formation, prolong the duration time of the foam, and improve the service life of the foam.

[0057] The outer wall of the foam generator shell 1 is movably connected with a guard plate 7 at the outer edge of the side slot 5. The guard plate 7 can cover the foaming plate 8 in the closed state, thereby playing a protection role and preventing sundries from falling into the side slot 5 and affecting the use of the foaming plate 8.

[0058] The end of the spray pipe 3 away from the foam generator shell 1 is connected with a guide plate group 4. The guide plate group 4 can control the position of the foam sprayed out, so as to prevent the position of the foam sprayed out from being inconsistent and affecting the fire extinguishing efficiency.

[0059] In the present application, the parts themselves that are not discussed in detail, and the connection modes of the parts in the present application all belong to the known technology in the technical field. Direct application can be made, and no further description is given.

[0060] In the present application, the term "a plurality of" refers to two or more, unless otherwise expressly specified. The terms "mounting", "connected", "connecting", "fixed", and the like should be understood broadly, for example, "connected" can be fixed connection, can also be detachable connection, or integrally connected; "connected" can be directly connected, can also be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0061] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a particular direction, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the present application.

[0062] In the description of the present application, the terms "one embodiment", "some embodiments", "a specific embodiment" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0063] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A quick mounting device for frangible seals, comprising a base, said base being annular, a stepped ring being provided on the inner wall of said base, characterized in that, The inner wall of the base is detachably connected with a compression ring, and a breakable seal is arranged between the compression ring and the stepped ring; An end of the compression ring away from the breakable seal is provided with a dismounting tool matching part; The dismounting tool matching part comprises square grooves and auxiliary threaded holes; The square grooves and the auxiliary threaded holes are arranged at least two and are uniformly distributed along the circumference of the compression ring, and the square grooves and the auxiliary threaded holes are arranged alternately.

2. A quick fit device for frangible seals as claimed in claim 1, wherein, The inner wall of the base near one end of the compression ring is provided with a spiral clamping groove, and the outer wall of the compression ring is provided with a spiral clamping ring, and the spiral clamping groove and the spiral clamping ring are connected.

3. A quick fit device for frangible seals as defined in claim 1, wherein, The breakable seal comprises a first sealing gasket and sealing glass; The inner wall of the first sealing gasket is provided with a groove, the sealing glass is embedded in the groove, and a scratch is arranged on the sealing glass.

4. A quick fit device for frangible seals as claimed in claim 3, wherein, The depth of the scratch is 70%-80% of the thickness of the sealing glass.

5. A foam generator comprising a foam generator housing which is a hollow structure, the foam generator housing being provided with a liquid inlet port and a liquid outlet port, characterized in that, The inside of the foam generator shell is provided with the breakable seal quick mounting device of claim 1 at the liquid outlet; The side wall of the foam generator shell is provided with a side slot.

6. A foam generator according to claim 5, wherein The liquid inlet is connected with a nozzle, and the liquid outlet is connected with a spray pipe.

7. A foam generator according to claim 5, wherein The base and the foam generator shell are fixedly connected by bolts; The outer wall of the base is provided with a connecting seat, the connecting seat is provided with a threaded hole, the foam generator shell is provided with a mounting hole corresponding to the threaded hole, and the threaded hole and the mounting hole are fixedly connected by bolts; A second sealing gasket is arranged between the base and the foam generator shell.

8. A foam generator according to claim 5, wherein The side slot is clamped with a foaming plate, and the foaming plate is provided with an air inlet hole.

9. A foam generator according to claim 8, wherein The outer wall of the foam generator shell is movably connected with a protective plate outside the edge of the side slot, and the protective plate can cover the foaming plate in the closed state.

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