CN219796242U - Dust explosion venting device - Google Patents

Abstract

The utility model relates to the field of explosion venting devices, in particular to a dust explosion venting device which comprises a mounting ring, a rupture disc and clamping rings, wherein the clamping rings and the rupture disc are respectively arranged on two sides of the rupture disc along the direction vertical to the rupture disc, the clamping rings are connected to the mounting ring in a sliding manner along the direction vertical to the rupture disc, the clamping rings can be enabled to be propped against the rupture disc by sliding, and a limiting assembly used for limiting the position of the clamping rings when the clamping rings are propped against the rupture disc is further arranged on the mounting ring. The utility model has the effects of reducing the workload of maintenance personnel and improving the working efficiency of the maintenance personnel.

Description

Dust explosion venting device

Technical Field

The utility model relates to the technical field of explosion venting devices, in particular to a dust explosion venting device.

Background

The dust explosion venting device is mainly used for protecting dust explosion in an indoor or equipment. The pressure of the closed space can be relieved when explosion occurs in the closed space, so that the damage of the explosion to equipment or a building is reduced.

The traditional dust explosion venting device mainly comprises a mounting ring, a rupture disk and a fire-retarding net; the mounting ring is of an annular structure, a connecting hole is formed in the equipment to be protected, and the mounting ring is welded on the side wall of the connecting hole of the equipment to be protected. The rupture disk is platy structure, and the mounting ring is laminated and is kept away from the terminal surface setting of equipment to the rupture disk. The fire-retardant member is a fan-shaped shell structure, an opening is arranged on one side plane of the fire-retardant member, and the arc-shaped side surface of the fire-retardant member is composed of a fire-retardant net. The fire-retardant piece is close to self open-ended one side and is provided with the flange piece, and fire-retardant piece opening is towards the rupture disk to the flange piece butt is on the rupture disk. Through holes are formed in the flange plate and the rupture disc, and the screws penetrate through the through holes in the fire retarding piece and the through holes in the rupture disc simultaneously and are connected to the mounting ring in a threaded mode, so that the rupture disc and the fire retarding piece are fixedly mounted.

In the use of the rupture disk, the rupture disk can be influenced by external environment, and when the rupture disk is slightly corroded or the pressure fluctuates, the rupture disk is replaced after the burst pressure of the rupture disk is reduced. In the prior art, the bolts on the flange plates need to be detached in sequence after replacing the rupture discs, and the rupture discs are installed in sequence after replacing the rupture discs. The replacement time is long, so that the labor burden of maintenance personnel is heavy, and the efficiency of the maintenance personnel is low.

Disclosure of Invention

The utility model provides a dust explosion venting device, which is convenient for workers to replace a rupture disk.

The utility model provides a dust explosion venting device, which adopts the following technical scheme:

the utility model provides a dust is let out and is exploded device, includes collar and rupture disk, still includes the grip ring, grip ring and rupture disk set up respectively in the both sides of rupture disk along the direction of perpendicular to rupture disk, the grip ring is along the direction sliding connection of perpendicular to rupture disk on the collar, and is slided the grip ring can make the grip ring support tight rupture disk, still be provided with on the collar and be used for carrying out spacing subassembly to the position of grip ring when the grip ring supports tight rupture disk.

Through adopting above-mentioned technical scheme, to the direction removal grip ring that is close to the collar, the side that the grip ring is close to the collar supports tightly the rupture disk, and spacing subassembly is spacing to the grip ring when the grip ring supports tightly the rupture disk, realizes the fixed mounting of rupture disk. When dismantling the rupture disk, to keeping away from the square slip grip ring of installing ring, can dismantle the rupture disk. Compared with the bolt locking in the traditional technology, the utility model does not need to detach the clamping ring when the rupture disc is detached, and the adjustment and the position of the rupture disc in the traditional technology are omitted when the rupture disc is installed; and (3) operating the through holes on the fire retarding piece, the through holes on the rupture disk and the threaded holes on the mounting ring correspondingly. Thereby alleviate maintenance personal's work burden to and improve maintenance personal's speed of changing the rupture disk, reduce the influence that the change rupture disk caused to the production of protected equipment.

Optionally, a mounting groove is formed in a side face, close to the clamping ring, of the mounting ring, and the rupture disc can be embedded into the mounting groove.

Through adopting above-mentioned technical scheme, can embed the rupture disk in the mounting groove earlier when installing the rupture disk, still make the maintenance personal need not hand the rupture disk in the in-process that removes the centre gripping ring when making things convenient for the maintenance personal to confirm the position of rupture disk, further make things convenient for the staff to change the rupture disk.

Optionally, the spacing subassembly includes the locating part, the locating part includes spacing portion, spacing portion is along being on a side of collar perpendicular to rupture disk along the direction sliding connection that is on a parallel with the rupture disk, the spacing groove has been seted up on the grip ring, spacing portion one side can insert in the spacing groove.

By adopting the technical scheme, the limiting part is moved to enable the limiting part to be inserted into the limiting groove to limit the clamping ring; the limiting part is moved in the direction away from the clamping ring, so that the limiting part is separated from the limiting groove, and the limiting of the clamping ring is canceled, thereby realizing the disassembly of the rupture disc.

Optionally, be provided with the driving surface on the spacing portion, after driving surface and the lateral wall butt of spacing groove, the direction that moves spacing portion to being close to the collar can drive the clamping ring and move to the direction that is close to the collar.

Through adopting above-mentioned technical scheme, remove spacing portion and drive the grip ring and remove, realize spacing to the grip ring, can also adjust the grip ring to the tight degree of support of rupture disk.

Optionally, the limiting pieces are two, and the two limiting pieces are respectively arranged on two sides of the mounting ring along the direction parallel to the rupture disk.

Through adopting above-mentioned technical scheme, two locating parts are spacing to the grip ring simultaneously, when improving the spacing stability of locating part to the grip ring is spacing for the grip ring atress is more even, thereby is difficult for taking place the slope when making the grip ring support tight rupture disk, improves the leakproofness of letting out the explosion device.

Optionally, still be provided with drive assembly on the collar, drive assembly includes columniform actuating lever, the actuating lever sets up in collar one side along being on a parallel with locating part slip direction's direction, and the actuating lever can rotate around self axis, the both ends of actuating lever are provided with the external screw thread that revolves opposite direction respectively, the both ends of actuating lever respectively with two locating part threaded connection.

Through adopting above-mentioned technical scheme, rotate the actuating lever, under the effect of two opposite screw threads of screwing direction, can drive two driving pieces and move to the direction that is close to each other or is kept away from each other simultaneously. Therefore, the limiting part is simultaneously embedded in the limiting groove or separated from the limiting groove, and maintenance personnel can replace the rupture disk conveniently.

Optionally, the driving components are arranged in two groups, and the two driving components are respectively arranged at two sides of the mounting ring.

Through adopting above-mentioned technical scheme, rotate two sets of drive assembly's actuating lever simultaneously, drive the locating part and remove, improve the stability of locating part removal in-process. Moreover, the two groups of driving components enable the limiting piece to be stressed uniformly, and the phenomenon that the limiting piece is inclined after being subjected to the reaction force of the clamping ring is reduced.

Optionally, the drive rod is provided with coupling assembling, coupling assembling includes chain and two sprocket, and two sprocket are coaxial mounting respectively on two drive rods, the chain winds simultaneously and establishes on two drive rods.

Through adopting above-mentioned technical scheme, rotate one of them actuating lever and can drive the sprocket of installing on this actuating lever and rotate, and then drive another sprocket through the chain and rotate, realize the rotation in the same time of two actuating levers.

In summary, the utility model has the following beneficial technical effects:

the clamping ring slides towards the direction close to the mounting seat, so that the clamping ring can be abutted against the rupture disc to realize the mounting of the rupture disc. The clamping ring can be slid in the direction away from the mounting ring, so that the clamping ring can not abut against the rupture disk any more, and the rupture disk can be detached. The replacement of the rupture disk is realized by moving the clamping ring, so that a worker does not need to correspond the through hole on the flange plate and the through hole of the rupture disk to the threaded hole on the mounting ring and does not need to lock the screws one by one, thereby reducing the labor burden of the maintainer and improving the working efficiency of the maintainer.

Drawings

Fig. 1 is an exploded view of an embodiment of the present utility model in a vertical and burst disk orientation.

Fig. 2 is a schematic overall structure of an embodiment of the present utility model.

Fig. 3 is an enlarged view of portion a of fig. 2 in accordance with an embodiment of the present utility model.

Reference numerals: 1. a mounting ring; 2. rupture disk; 3. a clamping ring; 4. a fire retardant member; 5. a limit component; 51. a limiting piece; 52. a limit part; 53. a connection part; 54. a driving surface; 6. a sealing gasket; 7. a drive assembly; 71. a driving rod; 72. a driving block; 8. a connection assembly; 81. a sprocket; 82. a chain; 9. and a limit groove.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a dust explosion venting device.

Referring to fig. 1 and 2, a dust explosion venting device includes a mounting ring 1, a rupture disc 2, a clamping ring 3, a fire retardant member 4 and a limiting component 5, where the mounting ring 1 and the clamping ring 3 are respectively disposed on two sides of the rupture disc 2 along a direction perpendicular to the rupture disc 2. The mounting ring 1 is of an annular structure, and one side of the mounting ring 1, which is far away from the rupture disk 2, is welded on equipment to be protected. The clamping ring 3 is connected to the mounting ring 1 in a sliding manner along the direction perpendicular to the rupture disc 2; the clamping ring 3 is of an annular structure, and the plane of the clamping ring 3 is parallel to the plane of the mounting ring 1. The fire-retardant member 4 is mounted on the side of the holding ring 3 remote from the mounting ring 1 for blocking the flame from escaping to the outside of the apparatus upon explosion. The clamping ring 3 and the mounting ring 1 are provided with mounting grooves on the sides close to each other, the rupture disc 2 is embedded in the mounting grooves, and a gap is arranged between the clamping ring 3 and the mounting ring 1. The limiting component 5 is installed on the mounting ring 1 and used for limiting the clamping ring 3. Sliding the clamping ring 3 away from the mounting ring 1 enables the clamping ring 3 to no longer abut against the mounting ring 1 to effect disassembly of the rupture disc 2. And after the clamping ring 3 is moved towards the direction close to the mounting ring 1 and the clamping ring 3 abuts against the mounting ring 1, the limiting assembly 5 is used for limiting the clamping ring 3, so that the rupture disc 2 is fixedly mounted.

Referring to fig. 1 and 2, both sides of the rupture disk 2 perpendicular to the direction thereof are provided with annular gaskets 6, both gaskets 6 are located between the clamping ring 3 and the mounting ring 1, and the gaskets 6 are embedded in the mounting groove. When the rupture disc 2 is installed, the rupture disc 2 can be embedded into the installation groove on the installation ring 1, then the clamping ring 3 is moved towards the direction close to the installation ring 1, the sealing gasket 6 on the clamping ring 3 is abutted against the rupture disc 2, and the installation of the rupture disc 2 is completed.

Referring to fig. 2 and 3, the limiting assembly 5 includes two limiting members 51, and the limiting members 51 are disposed on both sides of the rupture disk 2 in a direction parallel to the rupture disk 2, respectively. The stopper 51 includes a stopper portion 52 and a connecting portion 53, the connecting portion 53 is of a plate-like structure, the connecting portion 53 is mounted on one side surface of the mounting ring 1 perpendicular to the rupture disk 2, and the connecting portion 53 is slidable in a direction parallel to the rupture disk 2. The limiting part 52 is of a rectangular plate-shaped structure, the limiting part 52 is parallel to the rupture disc 2, and two square side surfaces of the length of the limiting part 52 are respectively flush with two side surfaces of the clamping ring 3 perpendicular to the length direction of the limiting part 52. The limiting part 52 is connected to the side surface, close to the mounting ring 1, of the connecting part 53, and the limiting part 52 can be driven to move by the movement of the connecting part 53. The limiting groove 9 is formed in the clamping ring 3 at the position corresponding to the limiting part 52, and the connecting part 53 can be moved towards the direction close to the clamping ring 3 to drive one side of the limiting part 52 to be inserted into the limiting groove 9, so that the limiting of the clamping ring 3 is realized, and the limiting of the clamping ring 3 to the rupture disc 2 is more stable.

Referring to fig. 2 and 3, the side of the limiting portion 52, which is close to the mounting ring 1, is provided with a driving surface 54, and the driving surface 54 is inclined in a direction perpendicular to the rupture disk 2 from the side of the limiting portion 52, which is close to the mounting ring 1, to the side, which is far from the mounting ring 1, to the direction, which is close to the clamping ring 3. The side wall of the limit groove 9, which is close to the mounting ring 1, is provided with an abutting inclined surface matched with the driving surface 54. After the driving surface 54 is attached to the abutting inclined surface, the limiting piece 51 is moved towards the direction close to the clamping ring 3, so that the clamping ring 3 can be driven to gradually abut against the rupture disk 2, and the position of the clamping ring 3 can be adjusted while the limiting function of the clamping ring 3 is achieved.

Referring to fig. 2 and 3, the mounting ring 1 is further provided with a driving assembly 7 for driving the two stoppers 51 toward or away from each other, and the driving assembly 7 includes a driving rod 71 and a driving block 72. The driving rod 71 has a cylindrical rod-like structure, the driving rod 71 is arranged along a sliding direction parallel to the limiting member 51, and the driving rod 71 is rotatably connected to a side surface of the mounting ring 1 perpendicular to the rupture disk 2 around its own axis. The number of the driving blocks 72 is two, and the two driving blocks 72 are welded on one side of the two limiting members 51, which is close to the driving rod 71, respectively. External threads are arranged at the two ends of the driving rod 71 corresponding to the positions of the driving blocks 72, and the threads at the two ends of the driving rod 71 are opposite in rotation direction. Screw holes are formed in the driving blocks 72 corresponding to the screw threads of the driving rods 71, and two ends of the driving rods 71 are respectively connected with the screw holes of the two driving blocks 72 in a screw thread mode. The rotation of the driving rod 71 can drive the two driving blocks 72 to be close to or far away from each other at the same time, so as to realize the adjustment of the position of the limiting piece 51. Moreover, due to the self-locking property of the threads, the driving rod 71 is not easy to rotate after the position of the limiting piece 51 is adjusted, so that the limiting part 52 can be stably abutted against the clamping ring 3, the clamping ring 3 can be stably abutted against the rupture disk 2, and the stability of the explosion venting device in the use process is improved.

Referring to fig. 2 and 3, in order to further improve the stability of the limit assembly 5 to limit the clamping ring 3, the driving assemblies 7 are arranged in two groups, and the two groups of driving assemblies 7 are respectively arranged at two sides of the mounting ring 1 along a direction parallel to the rupture disk 2. The two groups of driving assemblies 7 drive the limiting piece 51 to move simultaneously, so that not only can the stability of the limiting piece 51 in the moving process be improved, but also the stress of the limiting piece 51 can be more uniform; the situation that the clamping ring 3 cannot uniformly abut against the rupture disk 2 due to inclination of the limiting piece 51 in the limiting process of the clamping ring 3 is reduced, and the tightness of the explosion venting device in the use process is improved.

Referring to fig. 2, the driving rods 71 are provided with a connection assembly 8, and the connection assembly 8 includes a chain 82 and two sprockets 81, and the two sprockets 81 are respectively and coaxially welded to the corresponding ends of the two driving rods 71. The chain 82 is wound on the two chain wheels 81 at the same time, one driving rod 71 is rotated, the chain wheel 81 arranged on the driving rod 71 can be driven to rotate, and the other driving rod 71 is driven to rotate through the chain 82, so that synchronous rotation between the two driving rods 71 is realized.

The implementation principle of the dust explosion venting device provided by the embodiment of the utility model is as follows: when the rupture disk 2 needs to be replaced, the drive lever 71 is rotated to move the two stoppers 51 in a direction away from each other. After the two limiting members 51 move in the directions away from each other, the limiting portions 52 move out of the limiting grooves 9, so that limiting of the clamping ring 3 is canceled. At this time, the clamping ring 3 is moved away from the mounting ring 1, so that the clamping ring 3 no longer abuts against the rupture disk 2, and at this time, the rupture disk 2 can be taken out from between the clamping ring 3 and the mounting ring 1, and then a new rupture disk 2 is placed in the mounting groove. Finally, the clamping ring 3 is moved to enable the sealing gasket 6 on the clamping ring 3 to be attached to the rupture disk 2, so that replacement of the rupture disk 2 is completed.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a dust lets out and explodes device, includes collar (1) and rupture disk (2), its characterized in that: still include grip ring (3), grip ring (3) and rupture disk (2) set up respectively in the both sides of rupture disk (2) along the direction of perpendicular to rupture disk (2), grip ring (3) are along the direction sliding connection of perpendicular to rupture disk (2) on collar (1), and is slided grip ring (3) can make grip ring (3) support tight rupture disk (2), still be provided with on collar (1) and be used for carrying out spacing subassembly (5) to the position of grip ring (3) when grip ring (3) support tight rupture disk (2).

2. A dust explosion venting apparatus as set forth in claim 1, wherein: the side surface, close to the clamping ring (3), of the mounting ring (1) is provided with a mounting groove, and the rupture disc (2) can be embedded into the mounting groove.

3. A dust explosion venting apparatus as set forth in claim 1, wherein: spacing subassembly (5) are including locating part (51), locating part (51) are including spacing portion (52), spacing portion (52) are along being on one side of mounting ring (1) perpendicular to rupture disk (2) along the direction sliding connection that is on a parallel with rupture disk (2), spacing groove (9) have been seted up on clamping ring (3), spacing portion (52) one side can insert in spacing groove (9).

4. A dust explosion venting apparatus according to claim 3, wherein: the limiting part (52) is provided with a driving surface (54), and after the driving surface (54) is abutted against the side wall of the limiting groove (9), the limiting part (52) can be moved towards the direction close to the mounting ring (1) so as to drive the clamping ring (3) to move towards the direction close to the mounting ring (1).

5. The dust explosion venting apparatus of claim 4, wherein: the two limiting pieces (51) are arranged, and the two limiting pieces (51) are respectively arranged on two sides of the mounting ring (1) along the direction parallel to the rupture disk (2).

6. The dust explosion venting apparatus of claim 5, wherein: still be provided with drive assembly (7) on collar (1), drive assembly (7) include cylindrical actuating lever (71), actuating lever (71) set up in collar (1) one side along the direction that is on a parallel with locating part (51) slip direction, and actuating lever (71) can rotate around self axis, the both ends of actuating lever (71) are provided with the external screw thread that revolves opposite direction respectively, the both ends of actuating lever (71) respectively with two locating parts (51) threaded connection.

7. The dust explosion venting apparatus of claim 6, wherein: the driving assemblies (7) are arranged in two groups, and the two driving assemblies (7) are respectively arranged on two sides of the mounting ring (1).

8. The dust explosion venting apparatus of claim 7, wherein: the driving rod (71) is provided with a connecting component (8), the connecting component (8) comprises a chain (82) and two chain wheels (81), the two chain wheels (81) are respectively and coaxially arranged on the two driving rods (71), and the chain (82) is wound on the two driving rods (71) simultaneously.