CN219524937U

CN219524937U - Full liquid-receiving double-disc type inner floating disc

Info

Publication number: CN219524937U
Application number: CN202320469693.3U
Authority: CN
Inventors: 王娟; 景小丽; 于欢
Original assignee: Lianyungang Hua Heng Petrochemical Equipment Manufacture Co ltd
Current assignee: Lianyungang Hua Heng Petrochemical Equipment Manufacture Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-15
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to the field of oil storage, and discloses a full-liquid-receiving double-disc type inner floating disc, which comprises a storage tank, wherein a floating disc main body is arranged in the storage tank and is of a disc structure formed by splicing a plurality of standard floating tanks and special floating tanks. The floating boxes are uniformly distributed at the contact part of the full-liquid-receiving double-disc type inner floating disc and the liquid level, so that the floating force is uniform, the operation is stable, the operation safety of the floating disc is ensured, and the chuck phenomenon can not occur. The full liquid receiving double-disc type inner floating disc is easy and quick to install and low in maintenance cost; the bolts are used for connection, welding is not needed, and the method is suitable for new and old inner floating roof tanks; the parts are produced in a mould and standardized way, and the interchangeability of the parts is good.

Description

Full liquid-receiving double-disc type inner floating disc

Technical Field

The utility model relates to the field of oil storage, in particular to a full-liquid-receiving double-disc type inner floating disc.

Background

The floating roof type oil storage tank is an important class of oil storage tanks, and is mainly different from a common fixed roof type oil tank without a floating roof device which can be attached to and float on the oil surface and lift along with the oil level in the storage tank. The floating roof type oil storage tank is divided into an inner floating roof type oil storage tank and an outer floating roof type oil storage tank, and the flexible up and down floating plate can be close to the liquid level, so that the gas space above the liquid level is greatly reduced, and the evaporation loss of stored materials can be greatly reduced. Such tanks are widely used such as: storage of light oil products such as gasoline, aviation kerosene and diesel oil and crude oil.

The inner floating disc for the inner floating roof storage tank in the prior art is generally a groined stainless steel floating disc or a spider-web hexagonal floating disc, and has large oil and gas space and large volatilization loss; the structural strength is low, and the pipeline is easy to discard during purging; the buoyancy is small, and the phenomena of tilting, sinking and the like are very easy to occur. The aluminum float type inner floating disc is made of an aluminum alloy material, and a floating disc surface plate is easy to damage when the aluminum float type inner floating disc is ignited.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a full-liquid-receiving double-disc type inner floating disc, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a full liquid-receiving double-disc type inner floating disc, includes the storage tank, the inside of storage tank is provided with the floating disc main part, and the floating disc main part is by the disc structure that a plurality of standard buoyancy tank and special buoyancy tank splice formed, and the disc structure outer lane is equipped with outer girth, sets up sealing device between outer girth and the tank storage wall, is equipped with the anti-rotation device of top and the bottom of a tank connection storage tank on the floating disc main part, and anti-rotation device is connected in the top and the bottom of a tank of storage tank.

Preferably, the standard buoyancy tanks are positioned in the central area, the special buoyancy tanks are positioned around, the standard buoyancy tanks are arranged in a plurality of rows, the standard buoyancy tanks and the special buoyancy tanks between the rows are arranged in a staggered mode, and fixed beams are arranged at the bottoms of the standard buoyancy tanks and the special buoyancy tanks of the buoyancy tanks.

Preferably, the sealing device comprises a bending plate, the top and the bottom of the special buoyancy tank are both provided with outer ring beams, the inner wall of the storage tank is provided with a bent bending plate, one end of the outer ring beams is in contact with the bent region of the bending plate, XPE sealing gaskets are arranged between the outer ring beams and the bending plate, and the outer ring beams and the bending plate are fixedly connected together through bolts.

Preferably, corrosion-resistant XPE sealing gaskets are arranged between vertical edges at the tops of adjacent standard buoyancy tanks and special buoyancy tanks for sealing, sealing pinch plates are arranged at the tops of the XPE sealing gaskets, the XPE sealing gaskets are fixed through the sealing pinch plates and bolts II, and the sealing pinch plates are fastened with the bolts II at equal intervals.

Preferably, the standard buoyancy tank and the special buoyancy tank are bent into a rectangle by adopting a steel plate or an aluminum plate.

Preferably, the inside of the storage tank is provided with adjustable supporting legs, the floating disc main body is arranged in the storage tank, and the telescopic ends of the adjustable supporting legs are fixed on the fixed beams at the bottoms of the standard buoyancy tanks and the special buoyancy tanks.

Preferably, the upper part of the static electricity conducting device is connected with the tank top of the storage tank, and the lower part of the static electricity conducting device is connected with the upper surface of the floating disc main body and is fixed by bolts.

Preferably, the floating disc main body is provided with a ventilation valve, two sets of breather valves, one set of oil metering device and one set of manhole device.

Preferably, the float body is of stainless steel material.

(III) beneficial effects

Compared with the prior art, the utility model provides the full-liquid-receiving double-disc type inner floating disc, which has the following beneficial effects:

1. compared with the prior art, the full-liquid-receiving double-disc type inner floating disc is integrally and tightly connected by adopting the double-disc type floating box, the buoyancy is larger than that of a common floating disc, and the thickness of the floating box is reduced a lot relative to that of the floating disc, so that the oil storage capacity of the storage tank is increased, and the utilization rate of the storage tank is increased. The floating boxes are uniformly distributed at the contact part of the full-liquid-receiving double-disc type inner floating disc and the liquid level, so that the floating force is uniform, the operation is stable, the operation safety of the floating disc is ensured, and the chuck phenomenon can not occur. The full liquid receiving double-disc type inner floating disc is easy and quick to install and low in maintenance cost; the bolts are used for connection, welding is not needed, and the method is suitable for new and old inner floating roof tanks; the parts are produced in a mould and standardized way, and the interchangeability of the parts is good.

2. The full liquid-receiving double-disc type inner floating disc adopts a full liquid-receiving double-disc type structure, namely, the floating disc main body is a double-disc type floating box with a rectangular cross section, the bottom of the floating disc main body is in full contact with a medium, and the oil-gas space is close to zero, so that the volatilization loss of the medium is reduced to the greatest extent. Compared with the well-shaped floating inner floating disc and the spider-web-shaped hexagonal floating inner floating disc, the consumption reduction rate is improved from 96% to 99%.

Drawings

FIG. 1 is a front view of a full liquid receiving double-tray inner floating tray;

FIG. 2 is a top view of a full liquid receiving double-tray inner floating tray;

FIG. 3 is a view of an edge sealing apparatus;

FIG. 4 is a diagram of an adjustable leg connected to a housing;

fig. 5 is a view showing the connection of adjacent cases.

In the figure: 1. a storage tank; 2. a floating disc main body; 3. an electrostatic conductive device; 4. an adjustable leg; 5. a respiratory valve; 6. a sealing device; 7. a manhole device; 8. a standard buoyancy tank; 9. a special buoyancy tank; 10. an outer ring beam; 11. a vent valve; 12. an anti-rotation device; 13. an oil measuring device; 14. a first bolt; 15. a fixed beam; 16. sealing buckle plates; 17. XPE sealing gasket; 18. and a second bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a full-liquid-receiving double-disc type inner floating disc comprises a storage tank 1, wherein a floating disc main body 2 is arranged in the storage tank 1, the floating disc main body 2 is of a disc structure formed by splicing a plurality of standard floating boxes 8 and special floating boxes 9, an outer ring beam 10 is arranged on the outer ring of the disc structure, a sealing device 6 is arranged between the outer ring beam 10 and the wall of the storage tank 1, an anti-rotation device 12 connected with the top and the bottom of the storage tank 1 is arranged on the floating disc main body 2, the anti-rotation device 12 is connected with the top and the bottom of the storage tank 1, flexible guiding is achieved, the floating disc main body 2 is prevented from rotating, chuck faults can be avoided, the floating disc main body 2 is connected with the storage tank 1 through an electrostatic guiding device 3, static electricity is conveniently led out, medium evaporation loss can be greatly reduced due to the fact that the floating disc main body 2 is arranged in the storage tank 1, and pollution of a medium to the atmosphere is further reduced. Namely, the floating disc main body is a double-disc floating box with a rectangular section; the bottom of the main body of the floating disc main body 2 is in full contact with the medium, the oil-gas space is near zero, the volatilization loss of the medium is reduced to the greatest extent, the standard floating box 8 and the special floating box 9 can be sent into a tank for assembly through a tank wall manhole, the standard floating box 8 and the special floating box 9 are bent into a rectangle by adopting steel plates or aluminum plates, a longitudinal welding line is arranged at the top of the floating box, the welding line is above the liquid level and is not contacted with the medium when the floating disc runs, thus the possibility of leakage is reduced, the buoyancy is larger than that of a common floating disc, the thickness of the floating box is reduced a lot compared with that of the floating disc, the oil storage capacity of the storage tank 1 is increased, the utilization rate of the storage tank is increased, the floating disc main body 2 and the liquid level contact part are uniformly distributed with the floating box, the buoyancy is uniform, the running is stable, the running safety of the floating disc is ensured, the chuck phenomenon does not occur, the floating disc main body 2 is easy and fast to install, and the maintenance cost is low; the bolts are used for connection, welding is not needed, and the method is suitable for new and old inner floating roof tanks; the parts are produced in a mould and standardized way, and the interchangeability of the parts is good.

Further, the standard buoyancy tank 8 is located in the central area, the special buoyancy tank 9 is located around, the standard buoyancy tank 8 is arranged in a plurality of rows, the standard buoyancy tank 8 and the special buoyancy tank 9 between the rows are arranged in a staggered mode, and fixed beams 15 are arranged at the bottoms of the standard buoyancy tank 8 and the special buoyancy tank 9 of the buoyancy tank to limit the movement of the bottom of the floating disc main body 2.

Further, sealing device 6 includes the bent plate, and special buoyancy tank 9's top and bottom all are provided with outer lane roof beam 10, are provided with the bent plate of buckling on the inner wall of storage tank 1, and the one end and the regional contact of bent plate bending of outer lane roof beam 10, and be provided with XPE sealing washer 17 between outer lane roof beam 10 and the bent plate, outer lane roof beam 10 and the bent plate are in the same place through bolt one 14 fixed connection.

Further, corrosion-resistant XPE sealing gaskets 17 are arranged between the vertical edges at the tops of the adjacent standard buoyancy tanks 8 and the special buoyancy tanks 9 for sealing, sealing pinch plates 16 are arranged at the top ends of the XPE sealing gaskets 17, the XPE sealing gaskets 17 are fixed through the sealing pinch plates 16 and bolts II 18, and the sealing pinch plates 16 are fastened with the bolts II with equal intervals.

Further, the standard buoyancy tank 8 and the special buoyancy tank 9 are bent into a rectangle by adopting steel plates or aluminum plates, a longitudinal welding line is arranged at the top of the standard buoyancy tank 8 and the special buoyancy tank 9, and the welding line is positioned above the liquid level and is not contacted with the medium when the standard buoyancy tank 8 and the special buoyancy tank 9 operate, so that the possibility of leakage is reduced.

Further, the inside of the storage tank 1 is provided with adjustable supporting legs 4, the floating disc main body 2 is arranged in the storage tank 1, when the height of the medium filled in the storage tank 1 exceeds the height of the adjustable supporting legs 4, the full floating disc main body 2 floats above the liquid level, a plurality of adjustable supporting legs 4 are arranged at the lower part of the floating disc main body 2 along with the floating of the liquid level, the adjustable supporting legs 4 are used for supporting the weight of the floating disc main body 20 and additional load, and the telescopic ends of the adjustable supporting legs 4 are fixed on the fixed beams 15 at the bottoms of the standard floating box 8 and the special floating box 9.

Further, the upper part of the static electricity conducting device 3 is connected with the tank top of the storage tank 1, and the lower part is connected with the upper surface of the floating disc main body 2 and is fixed by bolts.

Further, the floating disc main body 2 is provided with a vent valve 11, two sets of breather valves 5, one set of oil metering device 13 and one set of manhole device 7.

Further, the floating disc main body 2 is made of stainless steel material, and when the floating disc tank catches fire, the fire is small and the fire is easy to put out.

Further, the adjustable supporting leg 4 is adjustable, and can be freely adjusted according to the gradient of the tank bottom during installation, so that time and labor are saved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full liquid-receiving double-disc type inner floating disc, includes storage tank (1), its characterized in that, the inside of storage tank (1) is provided with floating disc main part (2), floating disc main part (2) are by the disc structure that a plurality of standard buoyancy tank (8) and special buoyancy tank (9) splice to form, disc structure outer lane is equipped with outer collar beam (10), set up sealing device (6) between outer collar beam (10) and storage tank (1) wall, be equipped with on floating disc main part (2) and connect the tank top of storage tank (1) and anti-rotation device (12) at the bottom of tank, anti-rotation device (12) are connected in the tank top and the tank bottom of storage tank (1).

2. The full liquid receiving double-disc type inner floating disc according to claim 1, wherein: the standard buoyancy tanks (8) are positioned in the central area, the special buoyancy tanks (9) are positioned around, the standard buoyancy tanks (8) are arranged in a plurality of rows, and the standard buoyancy tanks (8) and the special buoyancy tanks (9) between the rows are arranged in a staggered mode.

3. The full liquid receiving double-disc type inner floating disc according to claim 1, wherein: the sealing device (6) comprises a bending plate, the bending plate is arranged on the inner wall of the storage tank (1), one end of the outer ring beam (10) is in contact with the bending region of the bending plate, an XPE sealing gasket (17) is arranged between the outer ring beam (10) and the bending plate, and the outer ring beam (10) and the bending plate are fixedly connected together through a first bolt (14).

4. The full liquid receiving double-disc type inner floating disc according to claim 1, wherein: a corrosion-resistant XPE sealing gasket (17) is arranged between the vertical edges at the tops of the adjacent standard buoyancy tanks (8) and the special buoyancy tanks (9), a sealing pinch plate (16) is arranged at the top end of the XPE sealing gasket (17), and the XPE sealing gasket (17) is fixed through the sealing pinch plate (16) and a second bolt (18).

5. The full liquid receiving double-disc type inner floating disc according to claim 1, wherein: the standard buoyancy tank (8) and the special buoyancy tank (9) are bent into a rectangle by adopting a steel plate or an aluminum plate.

6. The full liquid receiving double-disc type inner floating disc according to claim 1, wherein: the floating disc main body (2) is provided with a ventilation valve (11), two sets of breather valves (5), one set of oil metering device (13) and one set of manhole device (7).

7. The full liquid receiving double-disc type inner floating disc according to claim 1, wherein: the floating disc main body (2) is made of stainless steel material.

8. The full liquid receiving double-disc type inner floating disc according to claim 1, wherein: the bottom of the standard buoyancy tank (8) and the bottom of the special buoyancy tank (9) are provided with fixed beams (15), the inside of the storage tank (1) is provided with adjustable supporting legs (4), and the telescopic ends of the adjustable supporting legs (4) are fixed on the fixed beams (15) at the bottoms of the standard buoyancy tank (8) and the special buoyancy tank (9).