CN216469851U - Internal floating roof ventilation device with magnetic force - Google Patents

Abstract

The utility model discloses an internal floating roof ventilating device with magnetic force, which comprises a shell, a piston and a bottom plate, and is characterized in that a top plate is arranged at the top end of the shell, limit rods are respectively arranged on the periphery of the bottom end of the top plate, the top ends of the limit rods are fixedly connected with the top plate, a main rod is arranged in the middle of the bottom end of the top plate, the top end of the main rod is fixedly connected with the top plate, a first magnetic disc is arranged at the top end inside the shell, the top end of the first magnetic disc is fixedly connected with the shell, the limit rods are respectively movably connected with the periphery of the top end of the shell, air outlet pipes are respectively arranged on the periphery of the shell, one end of each air outlet pipe is respectively connected with a shell pipeline, the bottom end of the shell is provided with the bottom plate, the top end of the bottom plate is fixedly connected with the shell, the bottom end of the sealing rubber pad is fixedly connected with the bottom plate, a movable plate is arranged at the bottom end of the main rod, and the middle of the top end of the movable plate is fixedly connected with the main rod, and a second magnetic disc is arranged around the top end of the movable plate. Simple structure and convenient operation.

Description

Internal floating roof ventilation device with magnetic force

Technical Field

The utility model relates to the technical field of petrochemical product storage and transportation, in particular to an inner floating roof ventilating device with magnetic force.

Background

At present, large-scale inner floating roof finished oil storage tank does not have airtight requirement because of the inner floating roof storage tank, all should set up the communicating annular air vent with the atmosphere according to standard requirement, the annular air vent all sets up on the jar wall above the highest liquid level under the normal condition, an effect is to provide sufficient ventilation condition, make the steam concentration in inner floating dish top space outside the explosion range, another effect is exactly can play the effect of stock solution overflow under the accident situation, the distance of jar wall air vent is H for large-scale storage tank apart from the jar wall angle iron of borduring down is 620mm, single air vent size can not be too big, so that the floating dish can pass through smoothly under the accident situation, do not blocked. However, the air vent of the large-scale storage tank is placed on the tank wall, and the following defects exist: under the condition that the length of the opening is fixed, a certain opening height is needed to ensure the ventilation area, so that for a large storage tank, the diameter is large, the occupied capacity of the ventilation hole in the height range is large, the volume and the materials are wasted, the opening of the tank wall is more, and the chuck is easy; meanwhile, the vent holes are breathed for a long time, the metal wire mesh is possibly blocked, the vent holes are arranged along the circumference, the floating roof tank is only provided with the disc ladder, the filter screen is inconvenient to replace on the tank wall, regular maintenance and replacement cannot be carried out, and once the vent holes are blocked, gas in the tank cannot be discharged in time, so that the pressure in the tank is increased, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an inner floating roof ventilating device with magnetic force, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an inner floating roof ventilation device with magnetic force comprises a shell, a piston and a bottom plate, and is characterized in that a top plate is installed at the top end of the shell, limit rods are respectively installed on the periphery of the bottom end of the top plate, the top end of each limit rod is fixedly connected with the top plate, a main rod is installed in the middle of the bottom end of the top plate, the top end of each main rod is fixedly connected with the top plate, a first magnetic disc is installed at the top end inside the shell, the top end of each first magnetic disc is fixedly connected with the shell, the limit rods are respectively movably connected with the periphery of the top end of the shell, outlet pipes are respectively installed on the periphery of the shell, one end of each outlet pipe is respectively connected with a shell pipeline, the bottom plate is installed at the bottom end of the shell, the top end of the bottom plate is fixedly connected with the shell, and a sealing rubber pad is installed at the bottom end of the bottom plate, sealing rubber pad's top with bottom plate fixed connection, the fly leaf is installed to the bottom of mobile jib, the top middle part of fly leaf with mobile jib fixed connection, the second magnetic disc is installed all around to the top of fly leaf, the bottom of second magnetic disc with fly leaf fixed connection, install the spring on the mobile jib, the spring with mobile jib swing joint, install the bottom of fly leaf the piston, the top of piston with fly leaf fixed connection, the bolt is installed respectively all around to the top of bottom plate, one side bottom and the atmospheric pressure monitor fixed connection of shell.

Furthermore, the middle part of the top end of the shell is movably connected with the main rod.

Furthermore, round holes are installed on the first magnetic disc at equal intervals and are movably connected with the limiting rod.

Further, the first magnetic disc and the second magnetic disc repel each other in magnetic force.

Furthermore, the periphery of the piston is movably connected with the inner wall of the shell respectively.

Further, the bolts are movably connected with the bottom plate respectively.

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

according to the utility model, the bottom plate of the shell is fixedly connected with the top end of the inner floating roof through the bolt, then the oil gas in the inner floating roof enters the shell, the air pressure monitor can detect the air pressure in the inner floating roof, the piston can gradually move upwards along with the increase of the air pressure after receiving the pressure of the oil gas in the inner floating roof, the spring contracts, the second magnetic disc can approach the first magnetic disc until the piston rises to the horizontal position of the air outlet pipe, and the oil gas in the inner floating roof is discharged from the air outlet pipe. This device can maintain the stability of the oil gas pressure of interior floating roof.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic overall cross-sectional view of an internal floating roof aerator with magnetic force;

FIG. 2 is a top plan view of the magnetic inner floating roof vent.

Reference numerals:

1. a top plate; 2. a limiting rod; 3. a main rod; 4. a housing; 5. an air outlet pipe; 6. a first magnetic disk; 7. a spring; 8. a second magnetic disk; 9. a movable plate; 10. a piston; 11. a pressure monitor; 12. a bolt; 13. a base plate; 14. and sealing the rubber gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, an internal floating roof ventilation device with magnetic force according to an embodiment of the present invention includes a housing 4, a piston 10 and a bottom plate 13, and is characterized in that a top plate 1 is installed at a top end of the housing 4, limit rods 2 are respectively installed around a bottom end of the top plate 1, a top end of each limit rod 2 is fixedly connected to the top plate 1, a main rod 3 is installed at a middle portion of a bottom end of the top plate 1, a top end of the main rod 3 is fixedly connected to the top plate 1, a first magnetic disc 6 is installed at a top end inside the housing 4, a top end of the first magnetic disc 6 is fixedly connected to the housing 4, the limit rods 2 are respectively movably connected to a top end of the housing 4, air outlet pipes 5 are respectively installed around the housing 4, one ends of the air outlet pipes 5 are respectively connected to a pipe of the housing 4, the bottom end of the housing 4 is installed with the bottom plate 13, the top of bottom plate 13 with 4 fixed connection of shell, sealing rubber pad 14 is installed to the bottom of bottom plate 13, sealing rubber pad 14 the top with 13 fixed connection of bottom plate, fly leaf 9 is installed to the bottom of mobile jib 3, the top middle part of fly leaf 9 with 3 fixed connection of mobile jib, second magnetic disc 8 is installed all around on the top of fly leaf 9, the bottom of second magnetic disc 8 with 9 fixed connection of fly leaf, install spring 7 on the mobile jib 3, spring 7 with 3 swing joint of mobile jib, install the bottom of fly leaf 9 piston 10, the top of piston 10 with 9 fixed connection of fly leaf, bolt 12 is installed respectively all around on the top of bottom plate 13, one side bottom and the 11 fixed connection of atmospheric pressure monitor of shell 4.

Through the scheme of the utility model, the middle part of the top end of the shell 4 is movably connected with the main rod 3, round holes are equidistantly arranged on the first magnetic disc 6 and are movably connected with the limiting rod 2, the first magnetic disc 6 and the second magnetic disc 8 repel each other in magnetic force, the periphery of the piston 10 is respectively movably connected with the inner wall of the shell 4, and the bolts 12 are respectively movably connected with the bottom plate 13.

The working principle is as follows: according to the utility model, the bottom plate 13 of the shell 4 is fixedly connected with the top end of the inner floating roof through the bolt 12, then the oil gas in the inner floating roof enters the shell 4, the air pressure monitor 11 can detect the air pressure in the inner floating roof, after the pressure of the oil gas in the inner floating roof is received, the piston 10 can gradually move upwards along with the pressure enhancement, the spring 7 contracts, the second magnetic disc 8 can slowly approach the first magnetic disc 6 until the piston 10 rises to the horizontal position with the air outlet pipe 5, and the oil gas in the inner floating roof is discharged from the air outlet pipe 5. This device can maintain the stability of the oil gas pressure of interior floating roof.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a take magnetic force's interior floating roof ventilation unit, includes shell (4), piston (10) and bottom plate (13), its characterized in that, roof (1) is installed on the top of shell (4), gag lever post (2) are installed respectively all around to the bottom of roof (1), the top of gag lever post (2) with roof (1) fixed connection, mobile jib (3) are installed to the bottom middle part of roof (1), the top of mobile jib (3) with roof (1) fixed connection, first magnetic disc (6) are installed to the inside top of shell (4), the top of first magnetic disc (6) with shell (4) fixed connection, gag lever post (2) respectively with the top of shell (4) swing joint all around, install outlet duct (5) around shell (4) respectively, the one end of outlet duct (5) respectively with shell (4) pipe connection, the bottom plate (13) is installed to the bottom of shell (4), the top of bottom plate (13) with shell (4) fixed connection, sealing rubber pad (14) is installed to the bottom of bottom plate (13), the top of sealing rubber pad (14) with bottom plate (13) fixed connection, fly leaf (9) is installed to the bottom of mobile jib (3), the top middle part of fly leaf (9) with mobile jib (3) fixed connection, second magnetic disc (8) is installed all around to the top of fly leaf (9), the bottom of second magnetic disc (8) with fly leaf (9) fixed connection, install spring (7) on mobile jib (3), spring (7) with mobile jib (3) swing joint, piston (10) are installed to the bottom of fly leaf (9), the top of piston (10) with fly leaf (9) fixed connection, bolts (12) are respectively installed around the top of bottom plate (13), one side bottom and atmospheric pressure monitor (11) fixed connection of shell (4).

2. The magnetic inner floating roof ventilating device according to claim 1, wherein the middle part of the top end of the outer shell (4) is movably connected with the main rod (3).

3. The internal floating roof ventilating device with magnetic force as claimed in claim 1, wherein the first magnetic disc (6) is provided with round holes at equal intervals, and the round holes are movably connected with the limiting rod (2).

4. The magnetic internal floating roof ventilation device according to claim 1, wherein the first magnetic disk (6) and the second magnetic disk (8) are magnetically repulsive.

5. The magnetic inner floating roof ventilating device according to claim 1, wherein the periphery of the piston (10) is movably connected with the inner wall of the housing (4) respectively.

6. The magnetic internal floating roof ventilating device according to claim 1, wherein the bolts (12) are movably connected with the bottom plate (13), respectively.

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