CN112722608B - A pressure balancing structure and balancing method for dumping a storage tank - Google Patents
A pressure balancing structure and balancing method for dumping a storage tank Download PDFInfo
- Publication number
- CN112722608B CN112722608B CN202110049112.6A CN202110049112A CN112722608B CN 112722608 B CN112722608 B CN 112722608B CN 202110049112 A CN202110049112 A CN 202110049112A CN 112722608 B CN112722608 B CN 112722608B
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- liquid
- storage tank
- hole
- outlet pipe
- gas
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/06—Large containers rigid cylindrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
本发明提供了一种用于储存罐倾倒时压力平衡结构及平衡方法，涉及低温液相气体储存罐压力平衡技术领域，该结构包括挡板、取液管和出液管，挡板固定于储存罐内并将储存罐分为上腔和下腔，挡板的外边沿处开设有通孔，通孔位于第一方向上，出液管置于上腔内并位于第二方向上；取液管的一端置于下腔内并与通孔分居储存罐的轴向截面两侧，取液管的另一端穿过通孔；本发明针对储存罐发生倾倒时液相介质会通过泄压通道排放与外界接触造成安全隐患的问题，达到能够自平衡储存罐罐体内气体压力的目的，实现储存罐在移动或使用需要时发生倾倒情况下亦不会使内部低温液相介质排出与外界接触发生危险。
The present invention provides a pressure balancing structure and a balancing method for when a storage tank is tipped over, and relates to the technical field of pressure balancing of low-temperature liquid-phase gas storage tanks. The structure comprises a baffle, a liquid intake pipe and a liquid outlet pipe. The baffle is fixed in the storage tank and divides the storage tank into an upper chamber and a lower chamber. A through hole is opened at the outer edge of the baffle, and the through hole is located in a first direction. The liquid outlet pipe is placed in the upper chamber and in a second direction. One end of the liquid intake pipe is placed in the lower chamber and is separated from the through hole on both sides of the axial cross-section of the storage tank, and the other end of the liquid intake pipe passes through the through hole. The present invention aims to achieve the purpose of self-balancing the gas pressure in the storage tank body in view of the problem that when the storage tank is tipped over, the liquid medium will be discharged through a pressure relief channel and contact the outside world, causing a safety hazard, so as to ensure that when the storage tank is tipped over when moved or used, the internal low-temperature liquid medium will not be discharged and contact the outside world, causing danger.
Description
Technical Field
The invention relates to the technical field of pressure balance of a low-temperature liquid-phase gas storage tank, in particular to a pressure balance structure and a pressure balance method for dumping of the storage tank.
Background
The movable low-temperature liquid-phase gas storage equipment can be toppled in the transportation and use processes due to the requirements of movement or portability and the like.
The low-temperature liquid-phase gas storage equipment for liquid oxygen, liquid nitrogen and the like generates a large amount of gas-phase gas to expand when the liquid phase gas and the gas phase are converted due to the self characteristics of the liquid-phase gas, a special valve and a pipeline are needed to release a gas-phase medium exceeding the set pressure to balance the pressure in the storage equipment, and after the storage equipment is dumped, the parts and the pipeline which are originally released by the gas-phase medium can flow into the low-temperature liquid-phase medium and contact with the outside through a pressure relief channel, so that frostbite or other potential safety hazards occur.
Content of the application
The invention aims to provide a pressure balancing structure and a pressure balancing method for a storage tank during dumping, which aim at solving the problem that potential safety hazards are caused by the fact that liquid phase medium is discharged through a pressure relief channel and contacts with the outside when the storage tank is dumped, so that the aim of self-balancing the gas pressure in the storage tank body is achieved, and the problem that the internal low-temperature liquid phase medium is not discharged to contact with the outside to be dangerous when the storage tank is dumped when moving or being used is needed is achieved.
The embodiment of the invention is realized by the following technical scheme: the utility model provides a pressure balance structure when being used for holding vessel to empty, the holding vessel outer wall has set firmly and has emptyd direction control unit, it is used for controlling the holding vessel and emptys towards any one of first direction or second direction when taking place to empty direction control unit, including baffle, liquid taking pipe and drain pipe, the baffle is fixed in the holding vessel and divide into upper chamber and lower chamber with the holding vessel, the outward flange department of baffle has seted up the through-hole, the through-hole is located first direction, the drain pipe is arranged in the upper chamber and is located the second direction; one end of the liquid taking pipe is arranged in the lower cavity and separated from the through hole on two sides of the axial section of the storage tank, and the other end of the liquid taking pipe penetrates through the through hole.
Further, the first direction and the second direction are mirror symmetrical with respect to an axial cross section of the storage tank.
Further, the storage tank comprises a top and a bottom, the baffle is arranged at the top, and the outer side face of the baffle is tightly connected with the inner wall of the storage tank.
Further, the length of the liquid outlet pipe inserted into the storage tank is matched with the height of the liquid level in the upper cavity after the storage tank is poured towards the first direction.
Further, the diameter of the through hole is larger than that of the liquid taking pipe, and the diameter of the through hole is smaller than the outer diameter of the liquid taking pipe.
The pressure balancing method is applied to the pressure balancing structure used for pouring the storage tank, and comprises the following steps of:
S1: when the storage tank is toppled towards the first direction, liquid in the lower cavity enters the upper cavity through the through hole, and gas which is generated in the lower cavity due to the two-phase conversion of liquid and gas and exceeds the set pressure of equipment is output to the storage tank through the liquid taking pipe; at this time, the liquid does not flow out of the storage tank because the liquid level is lower than the liquid outlet pipe, and the gas generated by the two-phase conversion of the liquid and the gas in the upper cavity is discharged from the liquid outlet pipe;
S2: when the storage tank is toppled towards the second direction, gas which is generated in the lower cavity due to the two-phase conversion of liquid and gas and exceeds the set pressure of the equipment enters the upper cavity through the through hole, and is discharged from the liquid outlet pipe; the liquid in the lower cavity is vaporized for other devices after being taken by the liquid taking pipe; at this time, the liquid level in the lower cavity is lower than the height of the through hole, and the liquid cannot overflow out of the storage tank.
The technical scheme of the embodiment of the invention has at least the following advantages and beneficial effects:
1. according to the invention, the through hole and the liquid taking pipe are respectively arranged at two sides of the axial section of the storage tank, and after the storage tank is toppled, the gas above the liquid level can be effectively discharged, so that the gas pressure in the tank body is ensured to be within a set pressure range;
2. According to the invention, the liquid taking pipe is arranged in the lower cavity in a special mode, so that the air can be discharged when the storage tank is toppled towards the first direction, and the liquid can be taken smoothly through the liquid taking pipe for use when the storage tank is toppled towards the second direction;
3. the liquid medium storage tank is provided with the through holes and the liquid outlet pipe, so that liquid medium can be effectively prevented from overflowing the storage tank, and the normal maintenance of the storage function of the equipment is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the toppling direction control unit according to the present invention;
FIG. 3 is a state diagram of the storage tank when it is tilted in a first direction;
FIG. 4 is a state diagram of the storage tank when the storage tank is tilted in a second direction;
Icon: 1-a liquid outlet pipe; 2-an upper chamber; 3-baffle plates; 4-through holes; 5-a liquid taking pipe; 6-a storage tank; 601-top; 602-bottom; 7-a dumping direction control unit; 701-contact surface; 8-lower cavity.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship, the azimuth or the positional relationship is based on that shown in the drawings, or the azimuth or the positional relationship is conventionally placed when the product of the application is used.
In the description of the present invention, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The utility model provides a pressure balance structure when being used for holding vessel to empty, holding vessel 6 outer wall has set firmly topples over direction control unit 7, topple over direction control unit 7 is used for controlling holding vessel 6 and topples over in the first direction or any one of the second direction when taking place to topple over, topple over direction control unit 7 is two arc, the arc cuts along the axis direction and forms contact surface 701, contact surface 701 is the plane, the cross-section both ends of arc are tangent with the cross-section of holding vessel 6; the first direction and the second direction are respectively parallel to the radial direction of the cross section of the arc plate and are respectively perpendicular to the corresponding contact surfaces 701, and when the storage tank 6 rolls over, the contact surfaces 701 are contacted with the ground or the supporting surface for supporting the storage tank 6, so that the storage tank 6 is ensured to topple towards any one of the first direction and the second direction when toppling occurs.
The pressure balance structure comprises a baffle plate 3, a liquid taking pipe 5 and a liquid outlet pipe 1, wherein the baffle plate 3 is fixed in a storage tank 6 in a welding mode and divides the storage tank 6 into an upper cavity 2 and a lower cavity 8, and a liquid medium is stored in the lower cavity 8, and in the embodiment, the liquid medium is a low-temperature easily gasified liquid medium; the outer edge of the baffle plate 3 is provided with a through hole 4, the through hole 4 is communicated with the upper cavity 2 and the lower cavity 8, the through hole 4 is positioned in the first direction, and the liquid outlet pipe 1 is arranged in the upper cavity 2 and positioned in the second direction.
In this embodiment, one end of the liquid taking tube 5 is disposed in the lower cavity 8 and is separated from the through hole 4 at two sides of the axial section of the storage tank 6, one end of the liquid taking tube 5 may be close to the bottom 602 of the storage tank 6 or may be close to the baffle 3, so that the purpose of liquid taking or gas discharging can be achieved, and in order to enable normal liquid taking even when not toppled, it is preferable that one end of the liquid taking tube 5 is close to the bottom 602 of the storage tank 6; the other end of the liquid taking pipe 5 passes through the through hole 4 and is connected with other external working procedures.
In the present embodiment, in order to simplify the structure and ensure that the structure is able to stably balance the pressure inside the reserve tank 6, the first direction and the second direction are mirror-symmetrical with respect to the axial cross section of the reserve tank 6.
In this embodiment, the storage tank 6 includes a top 601 and a bottom 602, the baffle 3 is located at the top 601, and the outer side surface of the baffle 3 is tightly connected to the inner wall of the storage tank 6; the outlet pipe 1 is inserted into the upper chamber 2 through the top 601.
In this embodiment, according to practical situations, the installation angle between the plane of the baffle 3 and the inner wall of the storage tank 6 is adjustable, and it is preferable that the plane of the baffle 3 is perpendicular to the inner wall of the storage tank 6.
In this embodiment, in order to reduce the number of openings in the top 601 and reduce the difficulty of sealing the can body, the top 601 is provided with a through hole 4 for allowing the liquid outlet pipe 1 to pass through the top 601, and the other end of the liquid outlet pipe 5 is inserted into the liquid outlet pipe 1; the outer wall of the outlet pipe 1 is sealed from the outer wall of the top 601.
In this embodiment, the length of the liquid outlet pipe 1 inserted into the storage tank 6 is matched with the height of the liquid level in the upper cavity 2 after the storage tank 6 is tilted in the first direction; the other end of the liquid outlet pipe 1 is connected with other working procedures.
When the liquid medium is filled into the storage tank 6, the liquid outlet pipe 1 can prompt an operator of a full state, and when the liquid medium is filled, the gas in the storage tank 6 can be discharged, and after the liquid medium is filled, the liquid medium can be discharged, and whether the storage tank 6 is full or not can be judged by the fact that the medium is in a gas-liquid two-phase state through the discharge port of the liquid outlet pipe 1; when the storage tank 6 is in a normal storage working state, the liquid outlet pipe 1 can be used as pressure relief or discharge gas-phase medium for other working procedures.
In this embodiment, the diameter of the through hole 4 is larger than the diameter of the liquid taking pipe 5, and the diameter of the through hole 4 is smaller than the outer diameter of the liquid taking pipe 1; the through holes 4 are used as gas-phase or liquid-phase gas channels, the volume of liquid-phase gas in the tank can be reduced due to the fact that the diameter is too large, the smooth gas-liquid-phase gas circulation cannot be achieved due to the fact that the diameter is too small, and the throughput of the through holes is smaller than the liquid output when the diameter of the liquid outlet pipe 1 is smaller than the diameter of the liquid outlet pipe 1 for filling media.
The pressure balancing method is applied to the pressure balancing structure used for pouring the storage tank, and comprises the following steps of:
s1: when the storage tank 6 is toppled towards the first direction, the liquid in the lower cavity 8 enters the upper cavity 2 through the through hole 4, and the gas which is generated in the lower cavity 8 due to the two-phase conversion of the liquid and the gas and exceeds the set pressure of the equipment is output out of the storage tank 6 through the liquid taking pipe 5 for pressure relief or is supplied to other external working procedures for use; at this time, the liquid does not flow out of the storage tank 6 because the liquid level is lower than the liquid outlet pipe 1, and the gas generated by the two-phase conversion of the liquid and the gas in the upper cavity 2 is discharged from the liquid outlet pipe 1;
S2: when the storage tank 6 is toppled towards the second direction, the gas which is generated in the lower cavity 8 due to the two-phase conversion of liquid and gas and exceeds the set pressure of the equipment enters the upper cavity 2 through the through hole 4, and is discharged from the storage tank 6 through the liquid outlet pipe 1 for decompression or is supplied to other external working procedures for use; the liquid in the lower cavity 8 is vaporized for other devices after being taken by the liquid taking pipe 5; at this time, the liquid level in the lower chamber 8 is lower than the height of the through hole 4, and the liquid does not overflow out of the storage tank 6.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A pressure balance structure when being used for holding vessel to empty, holding vessel (6) outer wall has set firmly emptys direction control unit (7), it is used for controlling holding vessel (6) and emptys towards any one of first direction or second direction when taking place to empty direction control unit (7), its characterized in that: the liquid collecting device comprises a baffle (3), a liquid collecting pipe (5) and a liquid outlet pipe (1), wherein the baffle (3) is fixed in a storage tank (6) and divides the storage tank (6) into an upper cavity (2) and a lower cavity (8), a through hole (4) is formed in the outer edge of the baffle (3), the through hole (4) is located in a first direction, and the liquid outlet pipe (1) is arranged in the upper cavity (2) and located in a second direction; one end of the liquid taking pipe (5) is arranged in the lower cavity (8) and is separated from the through hole (4) at two sides of the axial section of the storage tank (6), and the other end of the liquid taking pipe (5) penetrates through the through hole (4);
The first and second directions are mirror-symmetrical with respect to an axial cross-section of the storage tank (6);
The length of the liquid outlet pipe (1) inserted into the storage tank (6) is matched with the liquid level in the upper cavity (2) after the storage tank (6) is tilted towards the first direction, namely the liquid level is lower than the liquid outlet pipe (1);
the diameter of the through hole (4) is larger than that of the liquid taking pipe (5), and the diameter of the through hole (4) is smaller than the outer diameter of the liquid taking pipe (1); when the storage tank (6) is toppled towards the second direction, the liquid level in the lower cavity (8) is lower than the height of the through hole (4).
2. A pressure balancing structure for use in storage tanks as claimed in claim 1, wherein: the storage tank (6) comprises a top (601) and a bottom (602), the baffle (3) is arranged at the top (601), and the outer side surface of the baffle (3) is tightly connected with the inner wall of the storage tank (6).
3. A pressure balancing method, applying a pressure balancing structure according to any one of claims 1-2 for use in storage tank pouring, comprising the steps of:
S1: when the storage tank (6) is toppled towards the first direction, liquid in the lower cavity (8) enters the upper cavity (2) through the through hole (4), and gas which is generated in the lower cavity (8) due to the two-phase conversion of liquid and gas and exceeds the set pressure of equipment is output from the storage tank (6) through the liquid taking pipe (5); at this time, the liquid does not flow out of the storage tank (6) because the liquid level is lower than the liquid outlet pipe (1), and gas generated in the upper cavity (2) due to the two-phase conversion of liquid and gas is discharged from the liquid outlet pipe (1);
S2: when the storage tank (6) is toppled towards the second direction, gas which is generated in the lower cavity (8) due to the two-phase conversion of liquid and gas and exceeds the set pressure of the equipment enters the upper cavity (2) through the through hole (4), and is discharged from the liquid outlet pipe (1) out of the storage tank (6); the liquid in the lower cavity (8) is vaporized for other devices after being taken by the liquid taking pipe (5); at this time, the liquid level in the lower cavity (8) is lower than the height of the through hole (4), and the liquid does not overflow out of the storage tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110049112.6A CN112722608B (en) | 2021-01-14 | 2021-01-14 | A pressure balancing structure and balancing method for dumping a storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110049112.6A CN112722608B (en) | 2021-01-14 | 2021-01-14 | A pressure balancing structure and balancing method for dumping a storage tank |
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| Publication Number | Publication Date |
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| CN112722608A CN112722608A (en) | 2021-04-30 |
| CN112722608B true CN112722608B (en) | 2024-11-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117006403B (en) * | 2023-07-19 | 2024-08-16 | 西藏轻便氧健康科技有限公司 | Portable liquid oxygen storage device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214242296U (en) * | 2021-01-14 | 2021-09-21 | 三奇忆氧科技(四川)有限公司 | Pressure balance structure for storage tank during dumping |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63130976A (en) * | 1986-11-18 | 1988-06-03 | Honda Motor Co Ltd | Pressure control valve device |
| AU1445999A (en) * | 1997-12-03 | 1999-06-16 | Hoogovens Corporate Services B.V. | Can with acoustic signal |
| TWI289530B (en) * | 2002-05-16 | 2007-11-11 | Sig Technology Ltd | Pouring closure for liquid packagings |
| US8468839B2 (en) * | 2007-01-30 | 2013-06-25 | Ric Investments, Llc | Portable liquid oxygen storage unit |
| CN201582557U (en) * | 2010-01-28 | 2010-09-15 | 王利红 | Liquid nitrogen transferring device |
| CA2788768C (en) * | 2010-02-03 | 2019-01-15 | Paha Designs, Llc | Pressure equalization apparatus for a bottle and methods associated therewith |
| CN110657270B (en) * | 2019-10-24 | 2024-04-02 | 应急管理部天津消防研究所 | Built-in gravity type safety valve for movable liquid ammonia liquid chlorine bottle and use method |
| CN212196901U (en) * | 2020-06-01 | 2020-12-22 | 梧州科润润滑科技有限公司 | Oil leakage prevention device for storage tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214242296U (en) * | 2021-01-14 | 2021-09-21 | 三奇忆氧科技(四川)有限公司 | Pressure balance structure for storage tank during dumping |
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