Pressure storage tank for transporting and storing gas

Abstract

The utility model discloses a pressure storage tank for transporting and storing gas, and relates to the field of gas storage tanks, a tank body is characterized in that the left side of the tank body communicates with a connecting pipe, the surface of the connecting pipe is sleeved with a control valve, the left side of the connecting pipe is sleeved with a connecting disc, and the left side of the connecting disc is provided with a sealing assembly; the top of the tank body is communicated with a pressure relief assembly; the sealing assembly comprises a lifting plate, sliding rods are arranged on the front side and the rear side of the lifting plate correspondingly, and mounting frames are fixedly connected to the tops and the bottoms of the sliding rods correspondingly. By arranging the sealing assembly, the connecting pipe can be sealed, gas leakage caused by damage of the control valve is avoided, the sealing performance of the tank body is improved, by arranging the pressure relief assembly, pressure can be automatically relieved when the pressure in the tank body is too large, the pressure relief speed can be automatically adjusted according to the pressure, and the sealing performance of the tank body is improved. The pressure in the tank body is prevented from being too large, and the use safety of the tank body is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of gas storage tank, in particular to a pressure storage tank for transporting and storing gas. BACKGROUND

[0002] In the process of gas transportation and storage, pressure storage tank is needed to store gas. The gas storage tank is a device specially used for storing gas and stabilizing system pressure. According to the bearing pressure of the gas storage tank, it can be divided into high-pressure gas storage tank, low-pressure gas storage tank and normal-pressure gas storage tank. According to the material of the gas storage tank, it can be divided into carbon steel gas storage tank, low alloy steel gas storage tank and stainless steel gas storage tank.

[0003] At present, there are still some problems in the storage tank used in the transportation of gas. First, the pressure in the pressure tank cannot be adjusted according to the pressure, and the pressure of the gas in the transportation process is easy to change due to the change of the external environment temperature. If the pressure is too large and cannot be adjusted, it is easy to cause the explosion of the storage tank, and the safety is poor. Second, although the control valve is used to close the inlet pipe, it does not have the function of reinforcement, which is easy to cause poor sealing performance and gas leakage, which is not conducive to use. CONTENT OF THE INVENTION

[0004] The purpose of the present application is to provide a pressure storage tank for transporting and storing gas, which has the advantages of automatic pressure relief adjustment and good sealing performance of the inlet pipe.

[0005] In order to achieve the above purpose, the present application further provides a pressure storage tank for transporting and storing gas, which comprises a tank body, a connecting pipe is communicated with the left side of the tank body, a control valve is sleeved on the surface of the connecting pipe, a connecting disc is sleeved on the left side of the connecting pipe, a closing assembly is arranged on the left side of the connecting disc, and a pressure relief assembly is communicated with the top of the tank body.

[0006] The closing assembly comprises a lifting plate, sliding rods are arranged on the front side and the rear side of the lifting plate, mounting brackets are fixedly connected to the top and the bottom of the sliding rods, the surface of the mounting bracket is fixedly connected with the tank body, sliding sleeves are sleeved on the surface of the sliding rods, connecting brackets are fixedly connected between the opposite sides of the two sliding sleeves and the lifting plate, a hand wheel is arranged on the left side of the lifting plate, a screw rod is fixedly connected to the right side of the hand wheel, a sealing plug is movably connected to the right end of the screw rod and protrudes into the inner cavity of the connecting pipe.

[0007] Preferably, the pressure relief assembly comprises a pressure relief pipe, the bottom of the pressure relief pipe is communicated with the tank body, a plurality of pressure relief holes are formed in the surface of the pressure relief pipe, a lifting pipe is sleeved on the surface of the pressure relief pipe, a pressure plate is fixedly connected to the top of the lifting pipe, a first spring is fixedly connected to the top of the pressure plate, and a top plate is fixedly connected to the top of the first spring.

[0008] Preferably, the four corners of the bottom of the top plate are fixedly connected with positioning rods, the surface of the positioning rod is sleeved with a positioning sleeve, the surface of the positioning sleeve is fixedly connected with a pressing plate, and the surface of the positioning rod between the top plate and the positioning sleeve is fixedly connected with a second spring.

[0009] Preferably, the front side and the rear side of the sealing plug are fixedly connected with limiting plates, the left side of the limiting plate is fixedly connected with a limiting rod, and the left end of the limiting rod penetrates through the left side of the lifting plate and is fixedly connected with a limiting block.

[0010] Preferably, one side of the lifting plate is provided with a threaded hole matched with a screw rod, and one end of the screw rod is movably connected with the sealing plug through a bearing.

[0011] Preferably, the surface of the hand wheel is provided with anti-skid lines, and the surface of the connecting disc is provided with a connecting hole.

[0012] Preferably, the surface of the sealing plug is in contact with the inner wall of the connecting pipe, and the bottom of the tank body is fixedly connected with a base.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. By setting the sealing assembly, the connecting pipe can be sealed, gas leakage caused by damage of the control valve can be avoided, the sealing performance of the tank body is improved, by setting the pressure relief assembly, automatic pressure relief can be realized when the pressure in the tank body is too large, the pressure relief speed can be automatically adjusted according to the pressure, the pressure in the tank body is prevented from being too large, and the safety of the tank body is improved.

[0015] 2. By setting the limiting plate and the limiting rod, the stability of the movement of the sealing plug can be improved, by setting the limiting block, the limiting rod can be prevented from being separated, by setting the threaded hole, the screw rod and the lifting plate can be conveniently matched, by setting the bearing, the screw rod and the sealing plug can be conveniently matched, by setting the anti-skid lines, the anti-skid effect can be achieved, by setting the connecting hole, the connecting disc can be conveniently connected, and by setting the base, the tank body can be supported. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic view of a pressure storage tank for transporting and storing gas provided by the application;

[0017] Figure 2 is a three-dimensional structure schematic view of a tank body of a pressure storage tank for transporting and storing gas provided by the application;

[0018] Figure 3 is a three-dimensional structure schematic view of a lifting plate of a pressure storage tank for transporting and storing gas provided by the application;

[0019] Figure 4 Figure 1 is a schematic diagram of a lifting pipe of a pressure storage tank for transporting and storing gas according to the present application.

[0020] In the figure: 1, tank body; 2, connecting pipe; 3, control valve; 4, connecting disc; 5, base; 6, closing assembly; 601, lifting plate; 602, sliding rod; 603, mounting frame; 604, sliding sleeve; 605, connecting frame; 606, hand wheel; 607, screw rod; 608, sealing plug; 609, limiting plate; 610, limiting rod; 611, limiting block; 7, pressure relief assembly; 701, pressure relief pipe; 702, pressure relief hole; 703, lifting pipe; 704, pressing plate; 705, first spring; 706, top plate; 707, positioning rod; 708, positioning sleeve; 709, second spring. DETAILED DESCRIPTION

[0021] For the purpose of making the objectives, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the drawings. The terms such as "upper", "above", "lower", "below", "first end", "second end", "one end", "the other end" and the like used herein to describe the spatial relative positions are used for the purpose of description to describe the relationship of one unit or feature relative to another unit or feature as shown in the drawings. The spatial relative position terms can be intended to include different orientations of the device in use or in operation except the orientation shown in the drawings. For example, if the device in the drawings is turned over, the unit described as "below" or "under" other units or features will be "above" other units or features. Therefore, the exemplary term "below" can encompass both the above and below orientations. The device can be oriented in other ways (rotated 90 degrees or other orientations), and the spatially related descriptions used herein are interpreted accordingly.

[0022] In addition, the terms "mount", "set", "provided with", "connect", "slidingly connect", "fix", "sleeve" should be interpreted broadly. For example, "connect" can be fixed connection, detachable connection, or integral structure; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the embodiments described in the present application are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The utility provides a technical scheme: a kind of pressure storage tank for transporting and storing gas, including tank body 1, the left side of tank body 1 is communicated with connecting pipe 2, the surface of connecting pipe 2 is equipped with control valve 3, the left side of connecting pipe 2 is equipped with connecting disc 4, the left side of connecting disc 4 is provided with closed assembly 6, the top of tank body 1 is communicated with pressure relief assembly 7;

[0025] Closed assembly 6 includes lifting plate 601, the front side and the back side of lifting plate 601 are provided with sliding rod 602, the top and the bottom of sliding rod 602 are fixedly connected with mounting bracket 603, the surface of mounting bracket 603 is fixedly connected with tank body 1, the surface of sliding rod 602 is equipped with sliding sleeve 604, the opposite side of two sliding sleeves 604 is fixedly connected with connecting frame 605 between lifting plate 601, the left side of lifting plate 601 is provided with hand wheel 606, the right side of hand wheel 606 is fixedly connected with screw rod 607, the right end of screw rod 607 penetrates to the right side of lifting plate 601 and is movably connected with sealing plug 608, the right side of sealing plug 608 extends to the inner cavity of connecting pipe 2.

[0026] Embodiment one: by setting closed assembly 6, connecting pipe 2 can be sealed, avoid control valve 3 to appear damage and lead to gas leakage, improve the sealing performance of tank body 1, by setting pressure relief assembly 7, when the pressure in tank body 1 is too large, automatically pressure relief, and can be automatically adjusted the speed of pressure relief according to the size of pressure, avoid the pressure in tank body 1 too large, improve the safety of tank body 1 use.

[0027] In an implementable embodiment, please refer to Figures 1-4 A kind of pressure storage tank for transporting and storing gas, the front side and the back side of sealing plug 608 are fixedly connected with limit plate 609, the left side of limit plate 609 is fixedly connected with limit rod 610, the left end of limit rod 610 penetrates to the left side of lifting plate 601 and is fixedly connected with limit block 611, one side of lifting plate 601 is provided with the screw hole for cooperating with screw rod 607, one end of screw rod 607 is movably connected with sealing plug 608 by bearing, the surface of hand wheel 606 is provided with anti-skid pattern, the surface of connecting disc 4 is equipped with connecting hole, the surface of sealing plug 608 is in contact with the inner wall of connecting pipe 2, the bottom of tank body 1 is fixedly connected with base 5.

[0028] The embodiment two sets the limiting plate 609 and the limiting rod 610, so that the stability of the sealing plug 608 is improved, sets the limiting block 611, so that the limiting rod 610 is prevented from being separated, sets the threaded hole, so that the screw rod 607 and the lifting plate 601 are conveniently used in cooperation, sets the bearing, so that the screw rod 607 and the sealing plug 608 are conveniently used in cooperation, sets the anti-skid pattern, so that the anti-skid effect is achieved, sets the connecting hole, so that the connecting disc 4 is conveniently connected, and sets the base 5, so that the tank body 1 is supported.

[0029] On the basis of the first embodiment, the pressure relief assembly 7 in the first embodiment is described in the embodiment. The pressure relief assembly 7 comprises a pressure relief pipe 701, the bottom of the pressure relief pipe 701 is communicated with the tank body 1, a plurality of pressure relief holes 702 are formed in the surface of the pressure relief pipe 701, a lifting pipe 703 is sleeved on the surface of the pressure relief pipe 701, a pressing plate 704 is fixedly connected to the top of the lifting pipe 703, a first spring 705 is fixedly connected to the top of the pressing plate 704, a top plate 706 is fixedly connected to the top of the first spring 705, a positioning rod 707 is fixedly connected between the bottom of the top plate 706 and the tank body 1, a positioning sleeve 708 is sleeved on the surface of the positioning rod 707, the surface of the positioning sleeve 708 is fixedly connected with the pressing plate 704, a second spring 709 is fixedly connected to the surface of the positioning rod 707 and between the top plate 706 and the positioning sleeve 708. The pressure relief hole 702 is used for pressure relief, the lifting pipe 703 is used for closing the pressure relief hole 702, the first spring 705 and the second spring 709 are used for limiting the lifting pipe 703, so that the lifting pipe 703 can move downwardly to reset when the pressure is reduced, the lifting pipe 703 is driven to move upwardly when the pressure in the tank body 1 is too large, the pressing plate 704 is driven to move upwardly to press the first spring 705, the positioning sleeve 708 is driven to move upwardly to press the second spring 709, the lifting pipe 703 is driven to move upwardly to gradually release the closing of the pressure relief hole 702, the more the pressure relief holes 702 are opened when the pressure in the tank body 1 is larger, the faster the pressure relief speed is, and the pressure in the tank body 1 is prevented from being too large.

[0030] Working principle: when the pressure in the tank 1 is too large, it will drive the lifting pipe 703 to move up, the lifting pipe 703 drives the pressing plate 704 to move up and extrude the first spring 705, drives the positioning sleeve 708 to move up and extrude the second spring 709, the lifting pipe 703 moves up will gradually remove the closure to the pressure relief hole 702, when the pressure in the tank 1 is greater, the lifting pipe 703 rises higher, the more pressure relief holes 702 that can vent, the faster the pressure relief speed, to ensure that the pressure in the tank 1 will not be too large, when the gas is injected into the tank 1 through the connecting pipe 2, the height of the lifting plate 601 is adjusted through the cooperation of the slide rod 602 and the slide sleeve 604, the lifting plate 601 drives the sealing plug 608 to correspond to the connecting pipe 2, then the screw rod 607 is rotated through the cooperation of the hand wheel 606, the screw rod 607 drives the sealing plug 608 into the connecting pipe 2, the connecting pipe 2 can be closed, to avoid the leakage phenomenon of the gas through the connecting pipe 2, high practicability.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pressure storage tank for transporting a stored gas, characterized by, The utility model provides a kind of pressure relief valve, including tank (1), the left side of the tank (1) is communicated with connecting pipe (2), the surface of the connecting pipe (2) is equipped with control valve (3), the left side of the connecting pipe (2) is equipped with connecting disc (4), the left side of the connecting disc (4) is provided with closed assembly (6), the top of the tank (1) is communicated with pressure relief assembly (7); The closed assembly (6) includes a lifting plate (601), the front and rear sides of the lifting plate (601) are provided with sliding rods (602), the top and bottom of the sliding rods (602) are fixedly connected with mounting racks (603), the surface of the mounting racks (603) is fixedly connected with the tank (1), the surface of the sliding rods (602) is sleeved with sliding sleeves (604), the opposite sides of the two sliding sleeves (604) and the lifting plate (601) are fixedly connected with connecting racks (605), the left side of the lifting plate (601) is provided with a hand wheel (606), the right side of the hand wheel (606) is fixedly connected with a screw rod (607), the right end of the screw rod (607) penetrates to the right side of the lifting plate (601) and is movably connected with a sealing plug (608), the right side of the sealing plug (608) extends to the inner cavity of the connecting pipe (2).

2. The pressure storage tank for transporting and storing a gas according to claim 1, wherein The pressure relief assembly (7) includes a pressure relief pipe (701), the bottom of the pressure relief pipe (701) is communicated with the tank (1), the surface of the pressure relief pipe (701) is provided with a plurality of pressure relief holes (702), the surface of the pressure relief pipe (701) is sleeved with a lifting pipe (703), the top of the lifting pipe (703) is fixedly connected with a pressing plate (704), the top of the pressing plate (704) is fixedly connected with a first spring (705), the top of the first spring (705) is fixedly connected with a top plate (706).

3. The pressure storage tank for transporting and storing a gas according to claim 2, wherein The four corners of the bottom of the top plate (706) and the tank (1) are fixedly connected with positioning rods (707), the surface of the positioning rods (707) is sleeved with positioning sleeves (708), the surface of the positioning sleeves (708) is fixedly connected with the pressing plate (704), the surface of the positioning rods (707) and between the top plate (706) and the positioning sleeves (708) are fixedly connected with second springs (709).

4. The pressure storage tank for transporting and storing a gas according to claim 1, wherein The front and rear sides of the sealing plug (608) are fixedly connected with limit plates (609), the left side of the limit plate (609) is fixedly connected with a limit rod (610), the left end of the limit rod (610) penetrates to the left side of the lifting plate (601) and is fixedly connected with a limit block (611).

5. The pressure storage tank for transporting and storing gas according to claim 1, wherein One side of the lifting plate (601) is provided with a threaded hole matched with the screw rod (607), one end of the screw rod (607) is movably connected with the sealing plug (608) through a bearing.

6. The pressure storage tank for transporting and storing a gas according to claim 1, wherein The surface of the hand wheel (606) is provided with anti-skid lines, the surface of the connecting disc (4) is provided with a connecting hole.

7. The pressure storage tank for transporting and storing a gas according to claim 1, wherein The surface of the sealing plug (608) is in contact with the inner wall of the connecting pipe (2), the bottom of the tank (1) is fixedly connected with a base (5).

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