Fire extinguishing barrier protection device for petrochemical device pump body

Abstract

The utility model relates to the field of fire extinguishing barrier protection devices, and discloses a fire extinguishing barrier protection device for a petrochemical plant pump body, which comprises a pump body, a discharge pipe arranged at the left end of the pump body, a suction pipe arranged at the right end of the pump body, a flame arrester arranged on the left surface of the discharge pipe, and a quick release mechanism arranged on the lower surface of the discharge pipe. The quick release mechanism comprises a positioning assembly and a limiting assembly, the positioning assembly comprises a support, a supporting plate is fixedly connected to the upper surface of the support, and a positioning plate is slidably connected to the inner wall of the supporting plate. According to the limiting device, through the synergistic effect of the supporting plate, the positioning plate, the sliding block, the L-shaped rod and other components, the L-shaped rod is pushed backwards to drive the positioning plate to move, the stop block clamps the flange plate of the flame arrester to achieve limiting, operation is easy, the flame arrester does not need to be supported by hands during installation, stability of the flame arrester can be guaranteed, the installation time can be shortened, and the installation efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire extinguishing barrier protection device field especially relates to a fire extinguishing barrier protection device for petrochemical device pump body. BACKGROUND

[0002] The pump body in petrochemical device is the key equipment of conveying flammable, explosive medium, and the spark or static electricity can be produced in its running process due to motor failure, mechanical friction etc., and then the fire or explosion accident is caused. In order to ensure the safe operation of petrochemical device, prevents the fire from spreading, the fire arrester will be usually installed on the discharge pipe of pump body, and the fire arrester can effectively prevent the flame from spreading in the pipeline system, reduces the fire risk.

[0003] When installing the fire arrester, the flange plate on it is usually connected with the flange plate on the pipeline by bolt.

[0004] But part pipeline is suspended and has a certain distance with ground, which leads to the fire arrester needing to be held by hand when installing, and the fire arrester is difficult to keep stable in the installation process, and the bolt needs certain accuracy to align the threaded hole, which leads to the trouble of installing the fire arrester, and it will take a long time and the efficiency is low.

[0005] Therefore, the fire extinguishing barrier protection device for petrochemical device pump body is provided to solve the above problems. CONTENT OF UTILITY MODEL

[0006] In order to make up for the above shortage, the utility model provides a fire extinguishing barrier protection device for petrochemical device pump body, aims at improving the problem of low installation efficiency of the suspended pipeline fire arrester in the prior art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme: a fire extinguishing barrier protection device for petrochemical device pump body, including pump body, the left end of pump body is provided with discharge pipe, the right end of pump body is provided with suction pipe, the left surface of discharge pipe is provided with fire arrester, the lower surface of discharge pipe is provided with quick release mechanism, quick release mechanism includes positioning assembly and limiting assembly, positioning assembly includes support, the upper surface of support is fixedly connected with supporting plate, the inner wall of supporting plate is slidably connected with positioning plate, the left surface of positioning plate is provided with sliding slot, the inner wall of sliding slot is slidably connected with sliding block, the front surface of sliding block is fixedly connected with L-shaped rod, the upper surface of L-shaped rod is fixedly connected with stop block, the inner wall of supporting plate is provided with supporting assembly.

[0008] Further describe the above technical scheme as follows:

[0009] The limiting assembly includes the plug rod, one end of the compression spring is fixedly connected with the inner wall of the right side of the supporting plate, the other end of the compression spring is fixedly connected with the pull ring, the left surface of the L-shaped rod is provided with the insertion slot.

[0010] As a further description of the above technical solutions:

[0011] The support is L-shaped, the upper surface of the support is fixedly connected to the lower surface of the discharge pipe, the upper surface of the supporting plate is arc-shaped, and the upper surface of the supporting plate is provided with an arc-shaped recess.

[0012] As a further description of the above technical solutions:

[0013] The front end and the rear end of the left surface of the positioning plate are both inclined surfaces, the sliding groove is T-shaped, and the sliding block is T-shaped.

[0014] As a further description of the above technical solutions:

[0015] The rear end of the right surface of the L-shaped rod is an inclined surface, and the L-shaped rod and the stopper are both L-shaped.

[0016] As a further description of the above technical solutions:

[0017] The left surface of the inserting rod is fixedly connected to the right surface of the pull ring, the inserting rod penetrates through and is slidingly connected to the left surface of the supporting plate, the inserting rod is inserted into the inner wall of the inserting groove, and the front end of the right surface of the inserting rod is an inclined surface.

[0018] As a further description of the above technical solutions:

[0019] The support assembly comprises a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a roller shaft, and the outer wall of the roller shaft is fixedly connected with a rubber pad.

[0020] As a further description of the above technical solutions:

[0021] The rotating shaft is rotationally connected to the inner wall of the supporting plate, and the upper surface of the rubber pad protrudes from the upper surface of the supporting plate.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. In the utility model, through the cooperation of the supporting plate, the positioning plate, the sliding block and the L-shaped rod and other components, pushing the L-shaped rod backward can drive the positioning plate to move, so that the stopper clamps the flange plate of the flame arrester to realize limiting, and the operation is simple, the flame arrester does not need to be held by hand during installation, and the stability of the flame arrester can be ensured, the installation time can be reduced, and the installation efficiency can be improved.

[0024] 2. In the utility model, the roller shaft and the rubber pad of the support assembly are soft in texture, so that wear of the flame arrester during installation is avoided, and on the other hand, the roller shaft and the rubber pad can rotate, the flame arrester is in point contact with the rubber pad, the rotation is labor-saving and convenient, the installation angle can be adjusted conveniently, and the convenience of installation is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the three-dimensional structure front view schematic diagram of the whole device in the utility model;

[0026] Figure 2 It is the three-dimensional structure section schematic diagram of the supporting plate in the utility model;

[0027] Figure 3 It is the three-dimensional structure section split schematic diagram of the supporting plate, L-shaped rod and positioning plate in the utility model;

[0028] Figure 4 It is the three-dimensional structure split schematic diagram of the supporting plate and roller shaft in the utility model.

[0029] Legend:

[0030] 1, pump body; 11, discharge pipe; 12, suction pipe; 2, flame arrester; 31, support; 32, supporting plate; 33, positioning plate; 34, sliding block; 35, L-shaped rod; 36, stop block; 301, sliding groove; 41, pull ring; 42, compression spring; 43, insertion rod; 401, insertion slot; 51, roller shaft; 52, rotating shaft; 53, rubber pad. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Reference Figure 1 - Figure 3 An embodiment provided by the utility model: a fire extinguishing and barrier protection device for petrochemical device pump body, including pump body 1, pump body 1 is prior art, and in the technical personnel of the field can be realized, because it is prior art, so in the case, just do not describe too much, the left end of pump body 1 is provided with discharge pipe 11, fluid is discharged from discharge pipe 11 into flame arrester 2, the right end of pump body 1 is provided with suction pipe 12, the left surface of discharge pipe 11 is provided with flame arrester 2, flame arrester 2 is prior art, and in the technical personnel of the field can be realized, because it is prior art, so in the case, just do not describe too much, one end of flame arrester 2 is connected with pump body 1, the other end of flame arrester 2 is connected with pipeline, for preventing the fire source (such as spark generated by motor failure, static electricity generated by mechanical friction, etc.) in pump from causing medium combustion explosion, and stopping the spread of flame in pipeline system, and being used in pipeline system of petrochemical device, the lower surface of discharge pipe 11 is provided with quick release mechanism, and the quick release mechanism includes positioning assembly and limiting assembly.

[0033] Referring to Figure 1 - Figure 3 , the positioning assembly comprises a bracket 31, the upper surface of the bracket 31 is fixedly connected with a supporting plate 32, the supporting plate 32 is located at the left end of the upper surface of the bracket 31, the inner wall of the supporting plate 32 is slidably connected with a positioning plate 33, the positioning plate 33 moves horizontally, the left surface of the positioning plate 33 is provided with a sliding groove 301, the inner wall of the sliding groove 301 is slidably connected with a sliding block 34, the sliding groove 301 and the sliding block 34 are matched, the front surface of the sliding block 34 is fixedly connected with an L-shaped rod 35, the upper surface of the L-shaped rod 35 is fixedly connected with a stop block 36, the sliding block 34, the L-shaped rod 35 and the stop block 36 move synchronously, and the sliding block 34, the L-shaped rod 35 and the stop block 36 are both provided with two groups, which are symmetrically distributed in front of and behind the center line of the supporting plate 32, and the inner wall of the supporting plate 32 is provided with a supporting assembly.

[0034] Referring to Figure 1 - Figure 3 , the limiting assembly comprises a plug rod 43, one end of a compression spring 42 is fixedly connected with the inner wall of the right side of the supporting plate 32, the other end of the compression spring 42 is fixedly connected with a pull ring 41, the left surface of the L-shaped rod 35 is provided with a plug groove 401, and the plug groove 401 is provided on the L-shaped rod 35 at the front position.

[0035] Referring to Figure 1 - Figure 3 , the bracket 31 is provided in an L shape, the upper surface of the bracket 31 is fixedly connected with the lower surface of the discharge pipe 11, the upper surface of the supporting plate 32 is provided in an arc shape, the upper surface of the supporting plate 32 is provided with an arc-shaped recess, the two end connecting portions of the flame arrester 2 are both provided with flanges, during installation, the flame arrester 2 can be placed on the supporting plate 32, and the supporting plate 32 can provide support for the flame arrester 2, the front end and the rear end of the left surface of the positioning plate 33 are both provided as inclined surfaces, the sliding groove 301 is provided in a T shape, the sliding block 34 is provided in a T shape, when the sliding block 34 slides along the track of the sliding groove 301, the sliding block 34 will press the sliding groove 301, thereby driving the positioning plate 33 to move horizontally, the rear end of the right surface of the L-shaped rod 35 is provided as an inclined surface, the L-shaped rod 35 and the stop block 36 are both provided in an L shape, when the stop block 36 moves backward, the stop block 36 will gradually be clamped on one side of the flange of the connecting portion of the flame arrester 2, thereby limiting the flame arrester 2, and this facilitates personnel installation.

[0036] Referring to Figure 1 - Figure 3 , the left surface of the plug rod 43 is fixedly connected with the right surface of the pull ring 41, pulling the pull ring 41 will drive the plug rod 43 to move synchronously, the plug rod 43 penetrates and is slidably connected with the left surface of the supporting plate 32, the plug rod 43 is inserted into the inner wall of the plug groove 401, the front end of the right surface of the plug rod 43 is provided as an inclined surface, when the inclined surface is pressed, the plug rod 43 will move leftward and be separated from the plug groove 401 to be released from the limitation, when the positioning plate 33 moves backward, the inclined surface of the plug rod 43 will be pressed, thereby being released from the limitation, so that the plug rod 43 can only achieve the function of one-way limitation.

[0037] Referring to Figure 1 、 Figure 4 The supporting assembly comprises a rotating shaft 52, the outer wall of the rotating shaft 52 is fixedly connected with a roller shaft 51, the outer wall of the roller shaft 51 is fixedly connected with a rubber pad 53, the rotating shaft 52, the roller shaft 51 and the rubber pad 53 rotate synchronously, the rubber pad 53 is soft in texture, which can avoid abrasion to the flame arrester 2, the rotating shaft 52 is rotatably connected to the inner wall of the supporting plate 32, the rotating shaft 52, the roller shaft 51 and the rubber pad 53 can rotate, which facilitates the rotation of the flame arrester 2 and the alignment with the mounting holes, and the upper surface of the rubber pad 53 protrudes the upper surface of the supporting plate 32.

[0038] Principle: When the device is used, first, one end of the flame arrester 2 is placed on the rubber pad 53 to support the flame arrester 2, then one hand holds the flame arrester 2, and the other hand pushes the L-shaped rod 35 at the front position backward, when the L-shaped rod 35 moves, it will press the inclined surface of the plug rod 43, drive the pull ring 41 and the plug rod 43 to move leftward, the plug rod 43 will be disengaged from the limiting of the insertion slot 401, the pull ring 41 will stretch the compression spring 42 to generate a counteracting force, and the L-shaped rod 35 moving backward will drive the sliding block 34 and the stop block 36 connected thereto to move synchronously, thereby driving the positioning plate 33 to move rightward, when the positioning plate 33 moves, it will drive the sliding block 34, the L-shaped rod 35 and the stop block 36 on the other side to move toward the center of the supporting plate 32, at this time, the two groups of L-shaped rods 35 and stop blocks 36 will move toward the center of the supporting plate 32, and the stop block 36 will gradually be clamped on one side of the flame arrester 2 to limit the flame arrester 2, at this time, the plug rod 43 will also be aligned with the other group of insertion slots 401, and the compression spring 42 will pull the pull ring 41 and the plug rod 43 to move rightward, the plug rod 43 will be inserted into the insertion slot 401 to limit the L-shaped rod 35, and keep stable.

[0039] Then, the mounting hole on the flange plate at one end of the flame arrester 2 is aligned with the mounting hole on the exhaust pipe 11, and then the flame arrester 2 is fixed by using bolts, since the contact between the flame arrester 2 and the rubber pad 53 is point contact, and the rubber pad 53 can rotate, the flame arrester 2 is labor-saving and convenient to rotate.

[0040] When the flame arrester 2 needs to be disassembled later, the bolts are unscrewed, then the pull ring 41 is pulled to drive the plug rod 43 and the insertion slot 401 to disengage from the limiting, then the stop block 36 is moved reversely to drive the flame arrester 2 to be released from the limiting, and then the flame arrester 2 can be removed.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A fire barrier protection system for petrochemical plant pump bodies, comprising a pump body (1), characterised in that: The left end of the pump body (1) is provided with a discharge pipe (11), the right end of the pump body (1) is provided with a suction pipe (12), the left surface of the discharge pipe (11) is provided with a flame arrester (2), the lower surface of the discharge pipe (11) is provided with a quick release mechanism, the quick release mechanism comprises a positioning assembly and a limiting assembly, the positioning assembly comprises a support (31), the upper surface of the support (31) is fixedly connected with a supporting plate (32), the inner wall of the supporting plate (32) is slidably connected with a positioning plate (33), the left surface of the positioning plate (33) is provided with a sliding groove (301), the inner wall of the sliding groove (301) is slidably connected with a sliding block (34), the front surface of the sliding block (34) is fixedly connected with an L-shaped rod (35), the upper surface of the L-shaped rod (35) is fixedly connected with a stop block (36), and the inner wall of the supporting plate (32) is provided with a supporting assembly.

2. A fire barrier protection system for a petrochemical plant pump enclosure as defined in claim 1, wherein: The limiting assembly comprises a plug rod (43), one end of a compression spring (42) is fixedly connected with the inner wall of the right side of the supporting plate (32), the other end of the compression spring (42) is fixedly connected with a pull ring (41), and the left surface of the L-shaped rod (35) is provided with a plug groove (401).

3. A fire barrier protection system for a petrochemical plant pump enclosure as defined in claim 1, wherein: The support (31) is L-shaped, the upper surface of the support (31) is fixedly connected with the lower surface of the discharge pipe (11), the upper surface of the supporting plate (32) is arc-shaped, and the upper surface of the supporting plate (32) is provided with an arc-shaped recess.

4. A fire barrier protection system for a petrochemical plant pump enclosure as defined in claim 1, wherein: The front end and the rear end of the left surface of the positioning plate (33) are both inclined surfaces, the sliding groove (301) is T-shaped, and the sliding block (34) is T-shaped.

5. A fire barrier protection system for a petrochemical plant pump enclosure as defined in claim 1, wherein: The rear end of the right surface of the L-shaped rod (35) is an inclined surface, and the L-shaped rod (35) and the stop block (36) are both L-shaped.

6. A fire barrier protection system for a petrochemical plant pump enclosure as defined in claim 2, wherein: The left surface of the plug rod (43) is fixedly connected with the right surface of the pull ring (41), the plug rod (43) penetrates and is slidably connected with the left surface of the supporting plate (32), the plug rod (43) is inserted into the inner wall of the plug groove (401), and the front end of the right surface of the plug rod (43) is an inclined surface.

7. A fire barrier protection system for a petrochemical plant pump enclosure as defined in claim 1, wherein: The supporting assembly comprises a rotating shaft (52), the outer wall of the rotating shaft (52) is fixedly connected with a roller shaft (51), and the outer wall of the roller shaft (51) is fixedly connected with a rubber pad (53).

8. A fire barrier protection system for a petrochemical plant pump enclosure as defined in claim 7, wherein: The rotating shaft (52) is rotatably connected with the inner wall of the supporting plate (32), and the upper surface of the rubber pad (53) protrudes the upper surface of the supporting plate (32).

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