CN210687027U

CN210687027U - Pressure relief device for pressure container

Info

Publication number: CN210687027U
Application number: CN201921888582.6U
Authority: CN
Inventors: 童建云; 张立江; 尤建
Original assignee: Shandong Jurong Heavy Industry Technology Co Ltd
Current assignee: Shandong Jurong Heavy Industry Technology Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-05
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a pressure relief device for pressure vessel, including a connecting pipe and No. two connecting pipes, a connecting pipe and No. two connecting pipe structures are the same and a connecting pipe is located No. two connecting pipe lefts, be connected with leak protection connecting device between a connecting pipe and No. two connecting pipes jointly, leak protection connecting device goes up the lower part and is provided with connecting device and lower connecting device respectively, No. two connecting pipe right-hand members welds and has micro-control pressure relief device, micro-control pressure relief device right-hand member fixedly connected with rolling disc, micro-control pressure relief device upper end left part welding has the hourglass to press the pipe. A pressure relief device for pressure vessel, set up leak protection connecting device, effectively prevent that the junction from leaking the pressure condition to connecting device about the cooperation was used, make the installation more stable, and the dismantlement of connecting pipe about being convenient for sets up micro-control pressure relief device, leak through four groups and press the wearing groove and carry out multistage pressure release, accomplish micro-control pressure release, improved pressure release efficiency.

Description

Pressure relief device for pressure container

Technical Field

The utility model relates to a pressure vessel accessory technical field, in particular to a pressure relief device for pressure vessel.

Background

The pressure container is a closed container capable of bearing pressure, has extremely wide application, has important status and function in many departments of industry, civil use, military industry and the like and many fields of scientific research, wherein the pressure container is mostly used in the chemical industry and the petrochemical industry, is mainly used for the technical processes of heat transfer, mass transfer, reaction and the like, and storing and transporting gas or liquefied gas with pressure, has wide application in other industrial and civil fields, a pressure relief device is required to be adopted in the using process of the pressure container so as to be capable of relieving the pressure when taking out articles in the container, most of the existing pressure relief devices adopt a fixed structure, cannot be conveniently disassembled after the device is used for a long time, is not beneficial to timely maintenance, cannot realize micro-control when the pressure is not ideal when only changing a small amount of pressure relief effect, therefore, a novel pressure relief device for a pressure vessel is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a pressure relief device for pressure vessel can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pressure relief device for pressure vessel, includes a connecting pipe and No. two connecting pipes, a connecting pipe and No. two connecting pipe structures are the same and a connecting pipe is located No. two connecting pipe left, be connected with leak protection connecting device between a connecting pipe and No. two connecting pipes jointly, leak protection connecting device goes up the lower part and is provided with connecting device and lower connecting device respectively, No. two connecting pipe right-hand members welding have micro-control pressure relief device, micro-control pressure relief device right-hand member fixedly connected with rolling disc, micro-control pressure relief device upper end left part welding has the hourglass to press the pipe.

Preferably, leak protection connecting device includes left connecting pipe and right connecting pipe, the solid annular of card is all opened at left side connecting pipe and right connecting pipe surface middle part, and the equal joint in two sets of solid annular of card has the go-between, the lower part all opened on the go-between right-hand member has the connection perforation, left side connecting pipe right-hand member middle part welding has the round platform formula pipe, and the outer fixed surface of round platform formula pipe leak protection film, open at right side connecting pipe left end middle part has the round platform formula draw-in groove, and round platform formula pipe joint is in round platform formula draw-in groove, left side connecting pipe left end middle part and a connecting pipe right-hand member welding are in the same place, right side connecting pipe left end middle part.

Preferably, go up connecting device and the same and longitudinal symmetry distribution of lower connecting device structure, it has fixing stud, dead lever and bucket nut to go up the connecting device major structure, the end is left fixture block of fixedly connected with and right cardboard respectively about the dead lever, the fixing stud left part interlude is connected with left solid piece, bucket nut and fixing stud right part spiral mounting are in the same place, left side solid piece left end upper portion is opened there is left draw-in groove, bucket nut right-hand member is opened there is the snap-ring groove, right side cardboard lower part is opened there is the snap-ring groove.

Preferably, the fixing stud right part passes left side go-between and right side go-between upper portion in proper order and connects the perforation and be in the same place through bucket nut fixed mounting, card arc groove joint is on the card annular groove, and left fixture block joint is in left draw-in groove.

Preferably, micro-control pressure relief device includes pressure release circle frame, pressure release dish and spiral post, pressure release circle frame left end is for opening the structure, and pressure release circle frame inside casing wall opens there is U type groove, the equal fixedly connected with extrusion spring of lower part on the U type groove left end, pressure release dish joint is in U type groove middle part, and pressure release dish right-hand member middle part is opened there is the promotion circular slot, spiral post middle part spiral passes pressure release circle frame right-hand member middle part, and the spiral post is left and right sides end fixedly connected with push disc and rotating disc respectively, and pushes the dish joint in promoting the circular slot, open U type groove upper end has four groups to leak to press and wear the groove, pressure release circle frame upper end right part and leak and press the welding of pipe lower extreme together, and leak and press pipe and four groups to leak and press and wear the groove position and correspond and communicate.

Preferably, the size of the pressure relief plate is the same as that of the middle of the U-shaped groove.

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

1. in the utility model, the leakproof connecting device is arranged between the first connecting pipe and the second connecting pipe, the clamping principle of the circular table type pipe and the circular table type groove is utilized, the leakproof film is wrapped on the outer surface, the pressure leakage condition at the joint is prevented, the upper and lower connecting devices are used in a matching way, the spiral principle is used for installation, and the secondary clamping is carried out through the additional fixture block group, so that the installation is more stable, and the left and right connecting pipes are convenient to disassemble;

2. through setting up micro-control pressure relief device at No. two connecting pipe right-hand members, revolve soon the rolling disc through manual, drive and the continuous promotion dish of spiral post and carry out the propelling movement to the pressure release dish, utilize the reverse elasticity of extrusion spring to extrude the pressure release dish simultaneously, make the reverse dish control about U type inslot to through four groups of hourglass pressure penetrations groove and carry out multistage pressure release, thereby accomplish micro-control pressure release, improved pressure release efficiency.

Drawings

Fig. 1 is a schematic view of an overall structure of a pressure relief device for a pressure vessel according to the present invention;

FIG. 2 is a schematic connection diagram of a leak-proof connection device for a pressure relief device of a pressure vessel according to the present invention;

fig. 3 is a schematic connection diagram of an upper connection device of a pressure relief device for a pressure vessel according to the present invention;

fig. 4 is a schematic view of the cross-section connection of the micro-control pressure relief device of the pressure relief device for the pressure vessel of the present invention.

In the figure: 1. a first connecting pipe; 2. a second connecting pipe; 3. a leak-proof connection device; 4. an upper connecting device; 5. a lower connecting device; 6. a micro-control pressure relief device; 7. rotating the disc; 8. a pressure leakage pipe; 31. a left connecting pipe; 32. a right connecting pipe; 33. a circular table type pipe; 34. a leakage-proof film; 35. a connecting ring; 311. clamping and fixing the ring groove; 321. a circular truncated cone type clamping groove; 351. connecting through holes; 41. fixing the stud; 42. fixing the rod; 43. fixing the block on the left; 44. a bucket nut; 45. a left clamping block; 46. a right snap-gauge; 431. a left card slot; 441. a snap ring groove; 461. an arc clamping groove; 61. a pressure relief round frame; 62. a pressure relief disc; 63. a helical column; 64. a compression spring; 65. pushing the disc; 611. a U-shaped groove; 612. pressure leakage through the groove; 621. pushing the circular groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a pressure relief device for a pressure vessel, including a connecting pipe 1 and a connecting pipe 2, the connecting pipe 1 and the connecting pipe 2 have the same structure, and the connecting pipe 1 is located at the left side of the connecting pipe 2, a leak-proof connecting device 3 is connected between the connecting pipe 1 and the connecting pipe 2, an upper connecting device 4 and a lower connecting device 5 are respectively arranged at the upper part and the lower part of the leak-proof connecting device 3, a micro-control pressure relief device 6 is welded at the right end of the connecting pipe 2, a rotating disc 7 is fixedly connected at the right end of the micro-control pressure relief device 6, and a pressure leakage pipe 8 is welded at the left end of the micro-control pressure relief device 6.

The anti-leakage connecting device 3 comprises a left connecting pipe 31 and a right connecting pipe 32, clamping ring grooves 311 are formed in the middle of the outer surfaces of the left connecting pipe 31 and the right connecting pipe 32, connecting rings 35 are clamped in the two groups of clamping ring grooves 311, connecting through holes 351 are formed in the upper portions and the lower portions of the right ends of the connecting rings 35, a circular table type pipe 33 is welded in the middle of the right end of the left connecting pipe 31, an anti-leakage rubber sheet 34 is fixedly connected to the outer surface of the circular table type pipe 33, a circular table type clamping groove 321 is formed in the middle of the left end of the right connecting pipe 32, and the circular table type pipe 33 is clamped in the circular table type clamping groove 321, wherein the anti-leakage rubber sheet 34 is tightly attached to the outer surface of the circular table type clamping groove 321 to prevent pressure leakage at the connecting position, the; the upper connecting device 4 and the lower connecting device 5 are identical in structure and are distributed in an up-down symmetrical mode, the main structure of the upper connecting device 4 is provided with a fixed stud 41, a fixed rod 42 and a bucket nut 44, the left end and the right end of the fixed rod 42 are respectively and fixedly connected with a left clamping block 45 and a right clamping block 46, the left part of the fixed stud 41 is connected with a left fixing block 43 in a penetrating mode, the bucket nut 44 and the right part of the fixed stud 41 are installed together in a spiral mode, the upper part of the left end of the left fixing block 43 is provided with a left clamping groove 431, the right end of the bucket nut 44 is provided with a clamping; the right part of the fixing stud 41 sequentially penetrates through the upper connecting through holes 351 of the left connecting ring 35 and the right connecting ring 35 and is fixedly installed together through the bucket nut 44, the clamping arc groove 461 is clamped on the clamping ring groove 441, and the left clamping block 45 is clamped in the left clamping groove 431, so that the bucket nut 44 is tightly and fixedly connected with the left fixing block 43 with the fixing stud 41; the micro-control pressure relief device 6 comprises a pressure relief round frame 61, a pressure relief disc 62 and a spiral column 63, the left end of the pressure relief round frame 61 is of a through structure, the inner frame wall of the pressure relief round frame 61 is provided with a U-shaped groove 611, the upper part and the lower part of the left end of the U-shaped groove 611 are fixedly connected with an extrusion spring 64, the pressure relief disc 62 is clamped in the middle of the U-shaped groove 611, the middle of the right end of the pressure relief disc 62 is provided with a pushing round groove 621, the middle of the spiral column 63 spirally penetrates through the middle of the right end of the pressure relief round frame 61, the left end and the right end of the spiral column 63 are respectively fixedly connected with a pushing disc 65 and a rotating disc 7, the pushing disc 65 is clamped in the pushing round groove 621, the upper end of the U-shaped groove 611 is provided with four pressure leakage penetrating grooves 612, the four pressure leakage penetrating grooves 612 can perform four-stage leakage on the pressure; the pressure relief plate 62 has the same size as the middle of the U-shaped groove 611.

It should be noted that, the present invention is a pressure relief device for pressure vessel, by arranging the leak-proof connection device 3 between the first connection pipe 1 and the second connection pipe 2, when connecting, the circular truncated cone type pipe 33 welded at the right end of the left connection pipe 31 is clamped in the circular truncated cone type slot 321 at the middle part of the left end of the right connection pipe 32, and the outer surface of the circular truncated cone type pipe 33 is wrapped by the leak-proof film 34 and tightly attached to the outer surface of the circular truncated cone type slot 321, so as to prevent the pressure leakage at the joint of the left connection pipe 31 and the right connection pipe 32, and the upper connection device 4 and the lower connection device 5 are used cooperatively, the fixing stud 41 with the left fixing block 43 is passed through the upper parts of the connection rings 35 fixed at the outer ends of the left connection pipe 31 and the right connection pipe 32, and screwed into the two groups of connection through holes 351, and the two groups of, the clamping blocks of the left clamping block 45 and the right clamping plate 46 connected with the fixing rod 42 (which is customized by measuring the distance between the left fixing block 43 and the bucket nut 44 before installation) are respectively clamped on the left clamping groove 431 and the clamping ring groove 441 correspondingly, so that the installation is more stable, the micro-control pressure relief device 6 is arranged at the right end of the second connecting pipe 2, the rotating disc 7 is manually screwed clockwise, the pushing disc 65 connected with the spiral column 63 is driven to push the pressure relief disc 62 leftwards until the right end abuts against the left part of the U-shaped groove 611 to prevent the pressure from being released from the left frame opening, the extrusion spring 64 has reverse elasticity to the pressure relief disc 62 to extrude the pressure relief disc 62, when the pressure relief disc 7 is screwed anticlockwise, the pressure relief disc 62 is slowly pushed rightwards under the reverse elasticity of the extrusion spring 64 to the pressure relief disc 62, when the pressure relief disc 62 is sequentially pushed to a plurality of pressure relief grooves 612, the pressure can be released from the pressure relief grooves 612 in multiple stages, thereby accomplishing the micro-control pressure release, having improved pressure release efficiency.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pressure relief device for pressure vessel, includes a connecting pipe (1) and No. two connecting pipes (2), its characterized in that: a connecting pipe (1) and No. two connecting pipes (2) the same and a connecting pipe (1) of structure is located No. two connecting pipes (2) left, be connected with leak protection connecting device (3) between a connecting pipe (1) and No. two connecting pipes (2) jointly, leak protection connecting device (3) upper and lower part do not is provided with connecting device (4) and lower connecting device (5), No. two connecting pipe (2) right-hand member welding has micro-control pressure relief device (6), micro-control pressure relief device (6) right-hand member fixedly connected with rolling disc (7), micro-control pressure relief device (6) upper end left part welding has the hourglass to press pipe (8).

2. A pressure relief device for a pressure vessel as claimed in claim 1, wherein: the leak-proof connecting device (3) comprises a left connecting pipe (31) and a right connecting pipe (32), the middle parts of the outer surfaces of the left connecting pipe (31) and the right connecting pipe (32) are both provided with clamping ring grooves (311), and the two groups of clamping ring grooves (311) are internally clamped with connecting rings (35), the upper and lower parts of the right end of each connecting ring (35) are provided with connecting through holes (351), a circular table type pipe (33) is welded in the middle of the right end of the left connecting pipe (31), and the outer surface of the circular truncated cone type tube (33) is fixedly connected with a leakage-proof film (34), the middle part of the left end of the right connecting tube (32) is provided with a circular truncated cone type clamping groove (321), the round table type pipe (33) is clamped in the round table type clamping groove (321), the middle part of the left end of the left connecting pipe (31) is welded with the right end of the first connecting pipe (1), the middle part of the left end of the right connecting pipe (32) is welded with the right end of the second connecting pipe (2).

3. A pressure relief device for a pressure vessel as claimed in claim 1, wherein: go up connecting device (4) and lower connecting device (5) structure the same and longitudinal symmetry distribute, it has fixing stud (41), dead lever (42) and bucket nut (44) to go up connecting device (4) major structure, end difference fixedly connected with left fixture block (45) and right cardboard (46) about dead lever (42), fixing stud (41) left part alternates and is connected with left solid piece (43), bucket nut (44) and fixing stud (41) right part spiral mounting are in the same place, left side solid piece (43) left end upper portion is opened there is left draw-in groove (431), bucket nut (44) right-hand member is opened there is snap-ring groove (441), right side cardboard (46) lower part is opened there is snap-ring groove (461).

4. A pressure relief device for a pressure vessel as claimed in claim 3, wherein: the right part of the fixing stud (41) sequentially penetrates through a connecting through hole (351) on the upper parts of the left connecting ring (35) and the right connecting ring (35) and is fixedly installed together through a bucket nut (44), the clamping arc groove (461) is clamped on the clamping ring groove (441), and the left clamping block (45) is clamped in the left clamping groove (431).

5. A pressure relief device for a pressure vessel as claimed in claim 1, wherein: the micro-control pressure relief device (6) comprises a pressure relief round frame (61), a pressure relief disc (62) and a spiral column (63), the left end of the pressure relief round frame (61) is of a structure, a U-shaped groove (611) is formed in the inner frame wall of the pressure relief round frame (61), an extrusion spring (64) is fixedly connected to the upper lower portion of the left end of the U-shaped groove (611), the pressure relief disc (62) is connected to the middle of the U-shaped groove (611), a push round groove (621) is formed in the middle of the right end of the pressure relief disc (62), the middle of the spiral column (63) spirally penetrates through the middle of the right end of the pressure relief round frame (61), the left end and the right end of the spiral column (63) are fixedly connected with a push disc (65) and a rotating disc (7) respectively, the push disc (65) is connected to the push round groove (621), four groups of pressure leakage penetrating grooves (612) are formed in the upper end of the U-shaped groove (611), and the pressure leakage pipes (8) and the four groups of pressure leakage penetrating grooves (612) are corresponding in position and are communicated with each other.

6. The pressure relief device for a pressure vessel of claim 5, wherein: the size of the pressure relief plate (62) is the same as that of the middle of the U-shaped groove (611).