CN114229247A - Wharf gasoline storage tank - Google Patents

Wharf gasoline storage tank Download PDF

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Publication number
CN114229247A
CN114229247A CN202111672392.2A CN202111672392A CN114229247A CN 114229247 A CN114229247 A CN 114229247A CN 202111672392 A CN202111672392 A CN 202111672392A CN 114229247 A CN114229247 A CN 114229247A
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CN
China
Prior art keywords
sealing
storage tank
floating
plate
floating disc
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Granted
Application number
CN202111672392.2A
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Chinese (zh)
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CN114229247B (en
Inventor
李冲
陶然
杨佳岩
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China Harbour Engineering Co Ltd
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China Harbour Engineering Co Ltd
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Priority to CN202111672392.2A priority Critical patent/CN114229247B/en
Publication of CN114229247A publication Critical patent/CN114229247A/en
Application granted granted Critical
Publication of CN114229247B publication Critical patent/CN114229247B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00Large containers
    • B65D88/34Large containers having floating covers, e.g. floating roofs or blankets
    • B65D88/42Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle
    • B65D88/50Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle with resilient foam or stuffed seal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/22Safety features
    • B65D90/32Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a dock gasoline storage tank, which comprises: a tank body; two floating plate bodies, two floating plate body parallels are located this internal, be equipped with the first sealed bag of annular between two floating plate bodies, first sealed bag intercommunication has the sealed bag of annular second, be equipped with two sets of adjusting part in the sealed bag of second, two sets of adjusting part respectively with two floating plate body one-to-one settings, adjusting part include a plurality of with this body coupling's of floating plate telescopic link, the tip of telescopic link is equipped with the arc bracing piece, the cover is equipped with first spring on the telescopic link, first spring one end with the bracing piece is connected, the other end with the sealed bag of second is connected. According to the invention, the contact area between the second sealing bag and the side wall of the storage tank body is increased by arranging the upper floating disc body, the lower floating disc body, the first sealing bag and the second sealing bag, and meanwhile, the second sealing bag can be abutted against the side wall of the storage tank body by arranging the adjusting assembly, so that the reduction of gasoline leakage is realized.

Description

Wharf gasoline storage tank
Technical Field
The invention relates to the technical field of gasoline storage equipment. More particularly, the present invention relates to a dock gasoline storage tank.
Background
Gasoline is generally stored in a storage tank of a storage tank area at a wharf, and the gasoline has the characteristics of easy volatilization, flammability and explosiveness, and once the gasoline leaks and catches fire, the consequences are very serious. In order to reduce the leakage of the gasoline storage tank, a storage tank floating disc is arranged in the storage tank, and the storage tank floating disc is energy-saving and environment-friendly equipment which is driven by buoyancy to rise and fall along with the rise and fall of the liquid level of the storage tank and covers the liquid level, so that the volatilization of gasoline in the storage tank is reduced. The existing storage tank floating disc reduces gasoline volatilization by arranging the bag at the edge of the existing storage tank floating disc, but in the use process of the arrangement, a gap can exist between the bag and the side wall of the storage tank, and the sealing performance of the floating disc is influenced.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a wharf gasoline storage tank, which is provided with an upper floating disc body, a lower floating disc body, a first sealing bag and a second sealing bag to increase the contact area between the second sealing bag and the side wall of the storage tank body, and meanwhile, the second sealing bag can be abutted against the side wall of the storage tank body through the arrangement of an adjusting assembly, so that the leakage of gasoline is reduced.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a terminal gasoline tank comprising:
a tank body;
the two floating disc bodies are arranged in the storage tank body in parallel, an annular first sealing bag is arranged between the two floating disc bodies, the first sealing bag is communicated with an annular second sealing bag, the inner annular surface of the second sealing bag is respectively connected with the two floating disc bodies, the outer annular surface of the second sealing bag is in contact with the inner side wall of the storage tank body, two groups of adjusting components are arranged in the second sealing bag and respectively correspond to the two floating disc bodies one to one, each adjusting component comprises a plurality of telescopic rods connected with the floating disc bodies, arc-shaped supporting rods are arranged at the end parts of the telescopic rods, first springs are sleeved on the telescopic rods, one ends of the first springs are connected with the supporting rods, the other ends of the first springs are connected with the second sealing bag, and air inlets are formed in the first sealing bag.
Preferably, the lower surface of the floating plate body located above is sunken upwards to form an annular first groove, the upper surface of the floating plate body located below is sunken downwards to form an annular second groove, two annular protrusions are arranged on the first sealing bag, the protrusions are communicated with the first sealing bag, the two protrusions are respectively located on the upper surface and the lower surface of the first sealing bag, the protrusions located above are located in the first groove and connected with the first groove, and the protrusions located below are located in the second groove and connected with the second groove.
Preferably, the inner side wall of the storage tank body is provided with a cylindrical sealing layer, the lower half part of the sealing layer is connected with the inner side wall of the storage tank body, the upper end of the sealing layer is connected with the upper surface of the floating disc body located above, and the side wall of the second sealing bag is abutted to the sealing layer.
Preferably, a plurality of first connecting rods are arranged on the floating disc bodies at intervals, the plurality of first connecting rods on the two floating disc bodies are arranged in a one-to-one correspondence manner, a second spring is arranged at the tail end of each first connecting rod, the tail end of each second spring is connected with the other floating disc body, and the first connecting rods are connected with the other corresponding first connecting rods in a vertical sliding manner.
Preferably, two telescopic cylinders are arranged at the top end of the storage tank body, output shafts of the telescopic cylinders hermetically and slidably penetrate through the top end of the storage tank body and are located in the storage tank body, the tail ends of the output shafts of the two telescopic cylinders are commonly connected with a positioning cylinder, a plurality of third springs are arranged at intervals at the lower end of the positioning cylinder, the tail ends of the third springs are connected with the floating plate body located above the positioning cylinder, and the positioning cylinder and the floating plate body are coaxially arranged;
the floating disc body positioned above is coaxially provided with a fixed cylinder, and the side wall of the fixed cylinder is connected with the inner side wall of the positioning cylinder in a vertical sliding manner.
Preferably, a first steam overflow port is coaxially arranged on the floating disc body positioned above, the lower part of the first steam overflow port extends outwards to form a fixed plate, and a first sealing gasket is covered on the side wall of the first steam overflow port;
a plurality of fourth springs are arranged on the fixing plate at intervals, the tail ends of the fourth springs are commonly connected with a first sealing plate, and the first sealing plate is in up-and-down sealing sliding connection with the side wall of the first steam overflow port;
the part of the floating disc body, which is positioned at the circumferential direction of the first steam overflow port, is provided with an annular second sealing gasket, the second sealing gasket is coaxially arranged with the floating disc body, and the inner diameter of the second sealing gasket is smaller than the diameter of the upper end of the first steam overflow port;
when the fourth spring is in a natural extension state, the upper end of the first sealing plate is flush with the upper surface of the floating disc body corresponding to the upper end of the first sealing plate, and the second sealing gasket is attached to the upper surface of the first sealing plate.
Preferably, a second steam overflow port is arranged at the top end of the fixed cylinder, a sealing plug is arranged in the second steam overflow port, two third sealing gaskets are arranged on the side wall of the sealing plug at an upper and lower interval, the third sealing gaskets are annular, the second steam overflow port is positioned between the two third sealing gaskets, and the diameter of each third sealing gasket is larger than that of the second steam overflow port;
the steam-water separator also comprises a fixing assembly, the fixing assembly comprises an annular pushing plate arranged in the fixing cylinder, the pushing plate and the second steam overflow port are coaxially arranged, a plurality of pushing rods are arranged on the pushing plate at intervals along the circumferential direction of the pushing plate, a plurality of accommodating cavities with n-shaped vertical cross sections are formed by interval depression of the lower surface of the floating disc body positioned above the pushing plate, the accommodating cavities and the pushing rods are arranged in a one-to-one correspondence manner, the upper ends of the pushing rods hermetically slide through the floating disc body and are positioned in the horizontal part of the accommodating cavities, horizontal rods are arranged at the end parts of the pushing rods, two sealing blocks are respectively arranged at two ends of each horizontal rod, and the two sealing blocks are respectively in one-to-one correspondence sealing sliding connection with two vertical edges of the accommodating cavities;
when the pressure in the storage tank body is increased to a certain degree, the push rod pushes the sealing block to move upwards to be separated from the sliding groove, and the push plate is not in contact with the third sealing gasket.
The invention at least comprises the following beneficial effects:
firstly, the contact area between the second sealing bag and the side wall of the storage tank body is increased by arranging the upper floating disc body, the lower floating disc body, the first sealing bag and the second sealing bag, and meanwhile, the second sealing bag can be abutted against the side wall of the storage tank body by arranging the adjusting assembly, so that the reduction of gasoline leakage is realized; realize when using through setting up telescopic link, first spring the pier petrol storage tank is applicable in the storage tank body of multiple internal diameter, in order to enlarge the application range of pier petrol storage tank, the setting of telescopic link still plays the supporting role to first spring, telescopic link simultaneously, avoids the second sealed bag to take place the slope at the first spring of the in-process that upwards floats, in order to further improve the leakproofness of floating plate body at the unsteady in-process.
Secondly, the contact area between the first sealing bag and the floating disc body is increased by arranging the protruding part, the first groove and the second groove, and gasoline is reduced from entering between the two floating disc bodies; through setting up the sealing layer realizes the sealed of floating plate body, can effectively reduce petrol when using from the second sealed bag with volatilize extremely between the storage tank body floating plate body top to reduce the waste of petrol and improve the security of storage tank body.
Thirdly, the floating disc body is prevented from rotating in the storage tank body by arranging the first connecting rods and the second springs, so that the second springs can buffer the floating disc body below the second springs, and the two first connecting rods are arranged to be connected in a vertical sliding mode, and the sealing performance of the floating disc body is improved; according to the invention, the positioning cylinder and the fixing cylinder are arranged, so that the floating plate can be assisted to float up and down through the telescopic cylinder, the positioning cylinder and the fixing cylinder can be arranged to prevent the upper floating plate body and the lower floating plate body from rotating in the storage tank body so as to improve the sealing property of the floating plate body, and meanwhile, the floating plate body can float under the action of gasoline through the arrangement of the third spring.
Fourthly, the arrangement of the fourth spring, the first sealing plate and the fixing plate ensures that when a certain pressure is reached below the floating disc body, the volatilized gasoline can push the first sealing plate to move upwards, so that the effect of reducing the pressure in the storage tank body is achieved, and the explosion of the storage tank body is reduced; the limiting effect on the first sealing plate is achieved by arranging a fourth spring.
Fifthly, the resistance of gasoline overflowing from the second steam overflow port is increased by arranging the sealing plug, the sealing block and the third sealing gasket; through the arrangement of the push rod and the push plate, the pressure generated by volatilization of gasoline can push the push plate to move upwards, so that the driving rod can move upwards, when the pressure reaches a certain degree, the sealing block is separated from the sliding groove, and when the pressure continues to increase, the sealing plug moves upwards to separate the third sealing gasket from the top end of the fixed cylinder, so that the pressure below the floating disc body is reduced, and the arrangement not only can reduce explosion of the storage tank body, but also can protect the floating disc body; the accommodating cavity is arranged in an n shape, and the arrangement is convenient for the pushing rod to drive the horizontal rod to move, so that the balance of the horizontal rod is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a wharf gasoline storage tank according to one embodiment of the invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
FIG. 4 is an enlarged view of C in FIG. 1;
FIG. 5 is a schematic structural diagram of a wharf gasoline storage tank according to one embodiment of the present invention;
fig. 6 is a schematic structural diagram of an adjusting assembly according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
As shown in fig. 1-6, the present invention provides a dock gasoline tank comprising:
a tank body 1 having a cylindrical structure;
the wharf gasoline storage tank comprises two floating disc bodies 2, the two floating disc bodies 2 are arranged in the storage tank body 1 in parallel, an annular first sealing bag 12 is arranged between the two floating disc bodies 2, the first sealing bag 12 is communicated with an annular second sealing bag 6, the inner annular surface of the second sealing bag 6 is respectively connected with the two floating disc bodies 2, the outer annular surface of the second sealing bag 6 is in contact with the inner side wall of the storage tank body 1, two groups of adjusting components are arranged in the second sealing bag 6 and respectively correspond to the two floating disc bodies 2 one by one, each adjusting component comprises a plurality of telescopic rods 9 connected with the floating disc bodies 2, arc-shaped supporting rods 7 are arranged at the end parts of the telescopic rods 9, first springs 8 are sleeved on the telescopic rods 9, one ends of the first springs 8 are connected with the supporting rods 7, the other ends of the first springs are connected with the second sealing bag 6, so that the wharf gasoline storage tank can be suitable for storage tanks 1 with different inner diameters, wherein, an air inlet is arranged on the first sealing bag 12.
In this technical solution, the rest undescribed parts of the tank body 1 and the floating plate body 2 are not described in detail in this application and are well known to those skilled in the art; the connection mode of the second sealing bag 6 and the floating disc body 2 adopts the prior art, the second sealing bag 6 can move up and down relative to the storage tank body 1, the materials of the first sealing bag 12 and the second sealing bag 6 are both arranged by adopting the materials of the bag in the prior art, the first sealing bag 12 is provided with an air inlet which is connected with a first hose, and the first hose penetrates through the floating disc body 2 positioned above and can be connected with equipment related to inflation; the first sealing bag 12 is located between the two floating plate bodies 2, the second sealing bag 6 is located at the edges of the two floating plate bodies 2, and one implementation manner of the telescopic rod 9 may specifically be: the telescopic rod 9 comprises a rod body 10 connected with the floating disc body 2 and a sliding barrel 11 connected with the rod body 10 in a sliding manner, and the other end of the sliding barrel 11 is connected with the supporting rod 7.
In the using process, the first sealing bag 12 and the second sealing bag 6 are ventilated through the air inlet, so that the second sealing bag 6 is in contact with the side wall of the storage tank body 1, gasoline is added into the storage tank body 1 (a gasoline inlet of the storage tank body 1 is positioned at the lower part of the storage tank body 1), and the floating plate body 2 floats upwards along with the increase of the gasoline in the storage tank body 1.
By adopting the technical scheme, the upper floating disc body 2, the lower floating disc body 2, the first sealing bag 12 and the second sealing bag 6 are arranged to increase the contact area between the second sealing bag 6 and the side wall of the storage tank body 1, and meanwhile, the second sealing bag 6 can be abutted against the side wall of the storage tank body 1 by arranging the adjusting assembly, so that the reduction of gasoline leakage is realized; realize when using through setting up telescopic link 9, first spring 8 the pier petrol storage tank is applicable in the storage tank body 1 of multiple internal diameter, in order to enlarge the application range of pier petrol storage tank, the setting of telescopic link 9 still plays the supporting role to first spring 8, telescopic link 9 simultaneously, avoids the second sealed bag 6 to take place to incline at the first spring 8 of the in-process that upwards floats, in order to further improve the leakproofness of floating plate body 2 at the unsteady in-process.
In another technical scheme, the lower surface of the floating disc body 2 located above is sunken upwards to form annular first recess (first recess with the coaxial setting of floating disc body 2), and the upper surface of the floating disc body 2 located below is sunken downwards to form annular second recess (second recess with the coaxial setting of floating disc body 2), be equipped with two annular bellying 13 on the first sealed bag 12 (bellying 13 with first sealed bag 12 integrated into one piece sets up), bellying 13 and first sealed bag 12 intercommunication, and two bellying 13 are located respectively the upper surface and the lower surface of first sealed bag 12, the bellying 13 located above is located in the first recess and with first groove connection, the bellying 13 located below is located in the second recess and with second groove connection. By adopting the technical scheme, the contact area between the first sealing bag 12 and the floating disc bodies 2 is increased by arranging the convex part 13, the first groove and the second groove, and the gasoline entering between the two floating disc bodies 2 is reduced.
In another technical solution, a cylindrical sealing layer 3 is disposed on an inner side wall of the storage tank body 1, a lower half portion of the sealing layer 3 is connected to the inner side wall of the storage tank body 1 (that is, the entire lower half portion of the sealing layer 3 is fixedly connected to and attached to the inner side wall of the storage tank body 1), an upper half portion of the sealing layer 3 is not connected to the side wall of the storage tank body 1 but is attached to the side wall of the storage tank body 1 in the process that the floating plate body 2 floats upwards, an upper end of the sealing layer 3 is connected to an upper surface of the floating plate body 2 located above, wherein a side wall of the second sealing bag 6 abuts against the sealing layer 3, and the sealing layer 3 may be made of the same material as a bladder in the prior art or any other material (e.g., rubber) compatible with gasoline. By adopting the technical scheme, the sealing layer 3 is arranged to seal the floating disc body 2, so that the volatilization of gasoline from the second sealing bag 6 to the upper part of the floating disc body 2 between the storage tank bodies 1 can be effectively reduced when the floating disc is used, the waste of gasoline is reduced, and the safety of the storage tank bodies 1 is improved.
In another technical scheme, a plurality of first connecting rods 16 are arranged on the floating disc bodies 2 at intervals, the plurality of first connecting rods 16 on the two floating disc bodies 2 are arranged in a one-to-one correspondence manner, a second spring 17 is arranged at the tail end of each first connecting rod 16, the tail end of each second spring 17 is connected with the other floating disc body 2, the first connecting rods 16 are connected with the other corresponding first connecting rods 16 in a vertical sliding manner, a first sliding rail is arranged on one first connecting rod 16 along the length direction of the first connecting rod, and a first sliding block is arranged on the other first connecting rod 16 and is connected with the first sliding rail in a sliding manner so as to realize vertical sliding connection of the two first connecting rods 16. By adopting the technical scheme, the first connecting rods 16 and the second springs 17 are arranged, so that the second springs 17 can buffer the floating disc body 2 positioned below, and the two first connecting rods 16 are arranged to be connected in a vertical sliding manner, so that the floating disc body 2 positioned below can be prevented from rotating relative to the floating disc body 2 positioned above, and the sealing performance of the floating disc body 2 is improved.
In another technical scheme, two telescopic cylinders 4 are arranged at the top end of the storage tank body 1, output shafts of the telescopic cylinders 4 hermetically and slidably penetrate through the top end of the storage tank body 1 and are located in the storage tank body 1, the tail ends of the output shafts of the two telescopic cylinders 4 are commonly connected with a positioning cylinder 5, a plurality of third springs 15 are arranged at the lower end of the positioning cylinder 5 at intervals, the tail ends of the third springs 15 are connected with a floating disc body 2 located above, and the positioning cylinder 5 and the floating disc body 2 are coaxially arranged;
the floating disc body 2 positioned above is coaxially provided with a fixed cylinder 14, the side wall of the fixed cylinder 14 is connected with the inner side wall of the positioning cylinder 5 in a vertical sliding manner, wherein the positioning cylinder 5 is provided with a plurality of second sliding rails at intervals, the second sliding rails are arranged along the length direction of the positioning cylinder 5, the side wall of the fixed cylinder 14 is provided with a plurality of second sliding blocks at intervals in the circumferential direction, the second sliding blocks are in one-to-one corresponding sliding connection with the second sliding rails, a certain gap is formed between the positioning cylinder 5 and the fixed cylinder 14 so that overflowed gasoline can enter the upper part of the floating disc body 2, the telescopic cylinder 4 is used for assisting the floating disc body 2 to move upwards, the telescopic speed of the telescopic cylinder 4 is set based on the prior art (so that the floating disc body 2 can move up and down under the action of gasoline buoyancy, and in the working process, the third spring 15 of the floating disc body 2 can be contracted to the shortest under the action of the gasoline buoyancy, when the third spring 15 contracts to the shortest, the output shaft of the telescopic cylinder 4 starts to contract until the third spring 15 is in an extension state, the contraction is stopped, and when the third spring 15 contracts to the shortest again, the output shaft of the telescopic cylinder 4 continues to contract, and the contraction is repeated in this way), the second spring 17 and the third spring 15 can be in a natural extension state under the action of the gravity of the floating plate body 2, in the process of adding gasoline into the storage tank body 1, the buoyancy of the gasoline enables the second spring 17 and the third spring 15 to contract, the output shaft of the telescopic cylinder 4 contracts after contraction, and the repetition is repeated in this way until the gasoline reaches the set height. By adopting the technical scheme, the positioning cylinder 5 and the fixed cylinder 14 are arranged, so that the floating plate can be assisted to float up and down through the telescopic cylinder 4, the positioning cylinder 5 and the fixed cylinder 14 can prevent the upper floating plate body and the lower floating plate body 2 from rotating in the storage tank body 1 so as to improve the sealing performance of the floating plate bodies 2, and the floating plate bodies 2 can float under the action of gasoline by arranging the third spring 15.
In another technical scheme, a first steam overflow port 18 is coaxially arranged on the floating disc body 2 above, the lower part of the first steam overflow port 18 extends outwards to form a fixing plate 22 (the fixing plate 22 is horizontally arranged), and a first sealing gasket is covered on the side wall of the first steam overflow port 18;
a plurality of fourth springs 20 are arranged on the fixing plate 22 at intervals, the fourth springs 20 are arranged vertically, the tail ends of the fourth springs 20 are connected with a first sealing plate 19 together, the first sealing plate 19 is arranged horizontally, and the first sealing plate 19 is connected with the side wall of the first steam overflow port 18 in a sliding and up-and-down sealing manner;
the part of the floating disc body 2, which is positioned at the circumferential direction of the first steam overflow port 18, is provided with an annular second sealing gasket 21, the second sealing gasket 21 is coaxially arranged with the floating disc body 2, and the inner diameter of the second sealing gasket 21 is smaller than the diameter of the upper end of the first steam overflow port 18;
when the fourth spring 20 is in a natural extension state, the upper end of the first sealing plate 19 is flush with the upper surface of the floating plate body 2 corresponding to the upper end of the first sealing plate 19, and the second sealing gasket 21 is attached to the upper surface of the first sealing plate 19, that is, the first sealing plate 19 is further sealed by the second sealing gasket 21, the joint of the first sealing bag 12 and the floating plate body 2 can bear a certain pressure, the first sealing bag 12 is normally connected with the floating plate body 2, but when the certain pressure is exceeded, gasoline can enter between the two floating plate bodies 2, when the storage tank body 1 is in an abnormal state in the use process, the volatilized gasoline enters between the two floating plate bodies 2, the pressure generated by volatilization of the gasoline can push the first sealing plate 19 to move upwards until the volatilized gasoline can enter the fixed cylinder 14, and then realize reducing the pressure in the storage tank body 1, improve the security of storage tank body 1. By adopting the technical scheme, the fourth spring 20, the first sealing plate 19 and the fixing plate 22 are arranged, so that when a certain pressure is reached below the floating disc body 2, the volatilized gasoline can push the first sealing plate 19 to move upwards, and further the effect of reducing the pressure in the storage tank body 1 is achieved, so that the explosion of the storage tank body 1 is reduced; the first sealing plate 19 is limited by the fourth spring 20.
In another technical scheme, a second steam overflow port is arranged at the top end of the fixed cylinder 14, a sealing plug 23 is arranged in the second steam overflow port, two third sealing gaskets 24 are arranged on the side wall of the sealing plug 23 at intervals up and down, the third sealing gaskets 24 are horizontally arranged, the third sealing gaskets 24 are annular, the third sealing gaskets 24 are coaxially arranged with the fixed cylinder 14, the second steam overflow port is positioned between the two third sealing gaskets 24, the diameter of each third sealing gasket 24 is larger than that of the second steam overflow port, the third sealing gasket 24 positioned above is attached to the outer side of the top end of the fixed cylinder 14, the third sealing gasket 24 positioned below is attached to the inner side of the top end of the fixed cylinder 14, and the outer diameter of each third sealing gasket 24 is larger than that of the second steam overflow port;
still include fixed subassembly, fixed subassembly is including locating annular slurcam 27 in the fixed section of thick bamboo 14, slurcam 27 level sets up, slurcam 27 with the coaxial setting of second steam overflow mouth, be equipped with a plurality of catch bars 28 along its circumference interval on the slurcam 27, the vertical setting of catch bar 28, the lower surface interval that is located the floating plate body 2 of top is sunken to form a plurality of perpendicular cross-sections and is n shape hold chamber 25, hold chamber 25 with catch bar 28 one-to-one sets up, the sealed slip of upper end of catch bar 28 passes floating plate body 2 is located hold in the horizontal part of chamber 25, the tip of catch bar 28 is equipped with horizon bar 26, the both ends of horizon bar 26 are equipped with a sealed piece 29 respectively, two sealed pieces 29 respectively with hold two vertical limit one-to-one sealed sliding connection of chamber 25, catch bar 28 with the distance between the floating plate body 2 the axis is greater than the sealed external diameter that fills up 24 of third Two vertical edges of the accommodating cavity 25 are positioned at two sides of the push rod 28, and one vertical edge corresponds to the sliding groove;
wherein, the third gasket 24 located below is recessed downward at intervals to form a plurality of sliding grooves to accommodate the lower end of the sealing block 29, the plurality of sliding grooves and the plurality of accommodating cavities 25 are arranged in one-to-one correspondence to accommodate the lower end of the sealing block 29 in one of the vertical edges in the accommodating cavity 25, when the storage tank body 1 is in a normal state, the sealing plug 23 is located in the second steam overflow port, and the lower end of one of the sealing blocks 29 is located in the sliding groove, when the pressure in the storage tank body 1 is increased to a certain extent, the push rod 28 pushes the sealing block 29 to move upward to be separated from the sliding grooves, and the push plate 27 is not in contact with the third gasket 24 (the pressure required for gasoline to volatilize and pass through the second steam overflow port is greater than the pressure required for passing through the first steam overflow port 18). By adopting the technical scheme, the invention realizes the increase of the overflow resistance of the gasoline from the second steam overflow port by arranging the sealing plug 23, the sealing block 29 and the third sealing gasket 24; through the arrangement of the push rod 28 and the push plate 27, the pressure generated by volatilization of gasoline can push the push plate 27 to move upwards, so that the push rod 28 moves upwards, when the pressure reaches a certain degree, the sealing block 29 is separated from the sliding groove, and when the pressure continues to increase, the sealing plug 23 moves upwards to separate the third sealing gasket 24 from the top end of the fixed cylinder 14, so that the pressure below the floating disc body 2 is reduced, and the arrangement not only can reduce explosion of the storage tank body 1, but also can protect the floating disc body 2; the receiving cavity 25 is n-shaped, and the arrangement is convenient for the pushing rod 28 to drive the horizontal rod 26 to move, so that the balance of the horizontal rod 26 is improved.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present wharf gasoline tank will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (7)

1. Pier petrol storage tank, its characterized in that includes:
a tank body;
the two floating disc bodies are arranged in the storage tank body in parallel, an annular first sealing bag is arranged between the two floating disc bodies, the first sealing bag is communicated with an annular second sealing bag, the inner annular surface of the second sealing bag is respectively connected with the two floating disc bodies, the outer annular surface of the second sealing bag is in contact with the inner side wall of the storage tank body, two groups of adjusting components are arranged in the second sealing bag and respectively correspond to the two floating disc bodies one to one, each adjusting component comprises a plurality of telescopic rods connected with the floating disc bodies, arc-shaped supporting rods are arranged at the end parts of the telescopic rods, first springs are sleeved on the telescopic rods, one ends of the first springs are connected with the supporting rods, the other ends of the first springs are connected with the second sealing bag, and air inlets are formed in the first sealing bag.
2. The wharf gasoline tank of claim 1, wherein the lower surface of the upper floating plate body is recessed upwards to form a first annular groove, the upper surface of the lower floating plate body is recessed downwards to form a second annular groove, the first sealing bag is provided with two annular protrusions, the protrusions are communicated with the first sealing bag, the two protrusions are respectively located on the upper surface and the lower surface of the first sealing bag, the upper protrusions are located in the first groove and connected with the first groove, and the lower protrusions are located in the second groove and connected with the second groove.
3. The wharf gasoline storage tank of claim 1, wherein the inner side wall of the storage tank body is provided with a cylindrical sealing layer, the lower half portion of the sealing layer is connected with the inner side wall of the storage tank body, the upper end of the sealing layer is connected with the upper surface of the floating plate body located above, and the side wall of the second sealing bag is abutted to the sealing layer.
4. The wharf gasoline storage tank of claim 3, wherein a plurality of first connecting rods are spaced on the floating plate body, the plurality of first connecting rods are arranged on two floating plate bodies in a one-to-one correspondence manner, the ends of the first connecting rods are provided with second springs, the ends of the second springs are connected with the other floating plate body, and the first connecting rods are connected with the other corresponding first connecting rods in a vertically sliding manner.
5. The wharf gasoline storage tank of claim 4, wherein the top end of the storage tank body is provided with two telescopic cylinders, output shafts of the telescopic cylinders are hermetically and slidably arranged in the storage tank body through the top end of the storage tank body, the tail ends of the output shafts of the two telescopic cylinders are connected with a positioning cylinder together, the lower end of the positioning cylinder is provided with a plurality of third springs at intervals, the tail ends of the third springs are connected with a floating plate body positioned above the positioning cylinder, and the positioning cylinder and the floating plate body are coaxially arranged;
the floating disc body positioned above is coaxially provided with a fixed cylinder, and the side wall of the fixed cylinder is connected with the inner side wall of the positioning cylinder in a vertical sliding manner.
6. The wharf gasoline storage tank of claim 5, wherein a first steam overflow port is coaxially formed on the floating plate body located above, a lower portion of the first steam overflow port extends outwards to form a fixed plate, and a first sealing gasket is covered on a side wall of the first steam overflow port;
a plurality of fourth springs are arranged on the fixing plate at intervals, the tail ends of the fourth springs are commonly connected with a first sealing plate, and the first sealing plate is in up-and-down sealing sliding connection with the side wall of the first steam overflow port;
the part of the floating disc body, which is positioned at the circumferential direction of the first steam overflow port, is provided with an annular second sealing gasket, the second sealing gasket is coaxially arranged with the floating disc body, and the inner diameter of the second sealing gasket is smaller than the diameter of the upper end of the first steam overflow port;
when the fourth spring is in a natural extension state, the upper end of the first sealing plate is flush with the upper surface of the floating disc body corresponding to the upper end of the first sealing plate, and the second sealing gasket is attached to the upper surface of the first sealing plate.
7. The wharf gasoline storage tank of claim 6, wherein a second steam overflow port is formed at the top end of the fixed cylinder, a sealing plug is arranged in the second steam overflow port, two third sealing gaskets are arranged on the side wall of the sealing plug at intervals up and down, the third sealing gaskets are annular, the second steam overflow port is located between the two third sealing gaskets, and the diameter of each third sealing gasket is larger than that of the second steam overflow port;
the steam-water separator also comprises a fixing assembly, the fixing assembly comprises an annular pushing plate arranged in the fixing cylinder, the pushing plate and the second steam overflow port are coaxially arranged, a plurality of pushing rods are arranged on the pushing plate at intervals along the circumferential direction of the pushing plate, a plurality of accommodating cavities with n-shaped vertical cross sections are formed by interval depression of the lower surface of the floating disc body positioned above the pushing plate, the accommodating cavities and the pushing rods are arranged in a one-to-one correspondence manner, the upper ends of the pushing rods hermetically slide through the floating disc body and are positioned in the horizontal part of the accommodating cavities, horizontal rods are arranged at the end parts of the pushing rods, two sealing blocks are respectively arranged at two ends of each horizontal rod, and the two sealing blocks are respectively in one-to-one correspondence sealing sliding connection with two vertical edges of the accommodating cavities;
when the pressure in the storage tank body is increased to a certain degree, the push rod pushes the sealing block to move upwards to be separated from the sliding groove, and the push plate is not in contact with the third sealing gasket.
CN202111672392.2A 2021-12-31 2021-12-31 Wharf gasoline storage tank Active CN114229247B (en)

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CN114229247B CN114229247B (en) 2023-02-07

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204999069U (en) * 2015-09-16 2016-01-27 连云港铸邦机械设备有限公司 Plug -in type connects floating plate in liquid honeycomb entirely for storage tank
CN206954915U (en) * 2017-07-28 2018-02-02 连云港创新储运设备制造有限公司 A kind of storage tank floating plate for preventing chuck
CN207191958U (en) * 2017-08-24 2018-04-06 安徽恒达药业有限公司 A kind of sealing device of the secondary oil tank of chemical industry
CN110342123A (en) * 2019-07-02 2019-10-18 常州大学 Spring floating roof tank
CN110451102A (en) * 2018-05-07 2019-11-15 中国石油化工股份有限公司 Flexible light weight rubber floating plate sealing ring and its application
CN210047877U (en) * 2019-03-12 2020-02-11 南京炫德信息技术有限公司 Sealed level control device of floating disc bag in storage tank
CN212075162U (en) * 2019-12-31 2020-12-04 天津长瑞大通流体控制系统有限公司 Volatile organic liquid and zero-leakage storage tank for gas station
CN213058484U (en) * 2020-07-23 2021-04-27 上原石化设备(常州)有限公司 Floating disc sealing structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204999069U (en) * 2015-09-16 2016-01-27 连云港铸邦机械设备有限公司 Plug -in type connects floating plate in liquid honeycomb entirely for storage tank
CN206954915U (en) * 2017-07-28 2018-02-02 连云港创新储运设备制造有限公司 A kind of storage tank floating plate for preventing chuck
CN207191958U (en) * 2017-08-24 2018-04-06 安徽恒达药业有限公司 A kind of sealing device of the secondary oil tank of chemical industry
CN110451102A (en) * 2018-05-07 2019-11-15 中国石油化工股份有限公司 Flexible light weight rubber floating plate sealing ring and its application
CN210047877U (en) * 2019-03-12 2020-02-11 南京炫德信息技术有限公司 Sealed level control device of floating disc bag in storage tank
CN110342123A (en) * 2019-07-02 2019-10-18 常州大学 Spring floating roof tank
CN212075162U (en) * 2019-12-31 2020-12-04 天津长瑞大通流体控制系统有限公司 Volatile organic liquid and zero-leakage storage tank for gas station
CN213058484U (en) * 2020-07-23 2021-04-27 上原石化设备(常州)有限公司 Floating disc sealing structure

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