Chemical production line fault alarm equipment

Abstract

The utility model belongs to the technical field of chemical production, particularly relates to a fault alarm device for a chemical production line, and aims to solve the problem that the conventional fault monitoring device for the chemical production line is not good enough in alarm and emergency treatment effect when a fault occurs, and adopts the following scheme that the fault alarm device comprises a valve body, a liquid inlet pipe, a first liquid outlet pipe and a second liquid outlet pipe are arranged on the outer wall of the valve body, one end of the liquid inlet pipe, one end of the first liquid outlet pipe and one end of the second liquid outlet pipe are fixedly connected with the valve body, the first liquid outlet pipe and the second liquid outlet pipe are located on the same horizontal line, and the liquid inlet pipe is perpendicular to the first liquid outlet pipe and the second liquid outlet pipe. The chemical engineering alarm equipment can monitor the internal pressure of a pipeline in real time, and can automatically switch the flow direction in case of abnormality, so that accidents are prevented; meanwhile, the sound-light alarm device is combined, so that an alarm can be quickly given out when a fault occurs, the processing efficiency is improved, and the production safety and efficiency are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, in particular to a chemical production line fault alarm device. Background Art

[0002] In the chemical production process, the fluid transmission system on the production line is one of the key links. Its stability and safety are directly related to the smoothness and safety of the entire production process. However, due to the diversity of chemical raw materials and the complexity of the production environment, fluid transmission pipelines often face various potential risks, such as pipeline blockage, leakage, abnormal pressure, etc. Once these problems occur, they will not only affect production efficiency, but may also cause serious safety accidents.

[0003] Traditional chemical production line fault monitoring equipment often relies on manual inspections or simple pressure sensors, which have the disadvantages of slow response, low accuracy, and inability to switch the fluid flow direction in time to avoid further damage. Especially when faced with a sharp rise in pressure in the pipeline, the lack of effective automatic alarm and emergency response mechanisms makes it difficult to ensure the safe operation of the production line.

[0004] In view of the above problems, this utility model document proposes a chemical production line fault alarm device. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the conventional chemical production line fault monitoring equipment in the prior art that the alarm and emergency treatment effects when a fault occurs are not good enough, and proposes a chemical production line fault alarm device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A chemical production line fault alarm device, comprising:

[0008] A valve body, wherein the outer wall of the valve body is provided with a liquid inlet pipe, a first liquid outlet pipe, and a second liquid outlet pipe, one end of each of the liquid inlet pipe, the first liquid outlet pipe, and the second liquid outlet pipe are fixedly connected to the valve body, the first liquid outlet pipe and the second liquid outlet pipe are on the same horizontal line, the liquid inlet pipe and the first liquid outlet pipe and the second liquid outlet pipe are all kept vertical, the valve body is internally sealed and rotatably provided with a valve core, the interior of the valve core is provided with an L-shaped through hole, the angle between the openings at both ends of the L-shaped through hole is 90 degrees, and the valve core is used to change the direction of the fluid flowing in the valve body;

[0009] It also includes a switching component, which is used to switch the flow direction of the fluid in the valve body when the pressure in the pipeline increases;

[0010] It also includes a detection connecting pipe, which is fixedly connected to one end of the liquid inlet pipe. A pressure gauge is fixedly installed on the outer wall of the detection connecting pipe, and the pressure gauge is used to detect the pressure in the pipeline.

[0011] In one possible design, the switching assembly includes a connecting rod fixedly mounted on the top of the valve core, the top end of the connecting rod rotates and passes through the outer wall of the valve body and is fixedly mounted with a turntable, the outer wall of the connecting rod is sleeved with a torsion spring, the bottom end of the torsion spring is fixedly connected to the top of the valve body, the top of the torsion spring is fixedly connected to the bottom of the turntable, two limiting holes are provided on the top of the turntable, two connecting lines are formed between the two limiting holes and the center of the turntable, and the angle between the two connecting lines is 90 degrees; a detection tube is fixedly mounted on the outer wall of the liquid inlet pipe, a piston block is sealingly and slidingly arranged inside the detection tube, a fixing rod is fixedly mounted on the top of the piston block, a mounting plate is fixedly mounted on the top of the fixing rod, a clamping column is fixedly mounted on the bottom of the mounting plate, and the clamping column is engaged with the two limiting holes.

[0012] In a possible design, a fixing frame is fixedly installed on the outer wall of the liquid inlet pipe, and a lifting plate is provided on the sliding sleeve of the outer wall of the fixing frame. A screw is rotatably connected to the inner wall of the bottom of the fixing frame, and the top end of the screw rotates and passes through the top of the fixing frame. The screw and the lifting plate are threadedly connected, and the lifting plate is slidably sleeved on the outer wall of the fixing rod, and a fixing ring is provided on the outer wall of the fixing rod. The fixing ring is located above the detection tube, and a spring is provided on the outer wall of the fixing rod, and the bottom end of the spring is fixedly connected to the top of the fixing ring, and the top end of the spring is fixedly connected to the bottom of the lifting plate, and the spring is used to complete the rapid resetting of the piston block, and the lifting plate is used to adjust the compression degree of the spring, so that the piston block can adapt to pipeline pressures of different sizes.

[0013] In a possible design, a limit rod is fixedly installed on the top of the valve body, an arc-shaped limit frame is fixedly embedded inside the turntable, an arc-shaped slide groove is opened inside the arc-shaped limit frame, and the limit rod is slidably connected to the arc-shaped slide groove to limit the rotation angle of the valve core.

[0014] In a possible design, the movable distance of the piston block inside the detection tube is greater than the length of the clamping column, so as to ensure that the clamping column can be smoothly disengaged from the limiting hole.

[0015] In a possible design, a controller, a speaker, and an alarm light are fixedly installed on the outer wall of the detection connecting pipe. The controller is electrically connected to the pressure gauge, the speaker, and the alarm light. The speaker and the alarm light are used to provide sound and light warnings to surrounding personnel when the pressure in the pipeline is too high.

[0016] In the present application, when in use, the user can install the device in the fluid pipeline of chemical production, connect one end of the detection connecting pipe to the fluid source pipeline, connect one end of the first liquid outlet pipe to the fluid discharge pipeline, and connect one end of the second liquid outlet pipe to the pressure relief pipeline; under normal working conditions, the valve core can complete the connection between the liquid inlet pipe and the first liquid outlet pipe through the L-shaped through hole, and at this time the torsion spring is subjected to torsion deformation, and the clamping column will be inserted into the limit hole to complete the limit of the turntable; when a blockage fault occurs in the chemical production pipeline, the pressure inside the pipeline gradually increases, and when the pressure detected by the pressure gauge exceeds the preset value, the control The controller will control the speaker and the alarm light to issue sound and light warnings to the people around; at the same time, as the internal pressure of the pipeline increases, the piston block will be pushed and rise in the detection tube. At this time, the fixing rod will drive the mounting plate and the clamping column to rise synchronously. When the clamping column is out of the limit hole, the turntable will rotate rapidly under the action of the torsion spring, and the connection between the liquid inlet pipe and the second liquid outlet pipe can be quickly completed. At this time, the fluid in the pipeline will be discharged through the pressure relief pipe to avoid the continuous increase of pressure in the pipeline and damage to the pipeline; when the fault is eliminated, the user can turn the valve core back again and use the clamping column to complete the fixation, and then the device can be ensured to be used again.

[0017] Beneficial effects:

[0018] In the utility model, the chemical production line fault alarm device can monitor the pressure change in the pipeline in real time through the pressure gauge and switching assembly arranged on the liquid inlet pipe, and automatically switch the fluid flow direction in the valve body when the pressure is abnormal, effectively preventing accidents such as pipeline rupture and leakage caused by excessive pressure, and ensuring the continuity and safety of the production line;

[0019] In the utility model, the chemical production line fault alarm device, by combining a controller, a speaker, an alarm light and other sound and light alarm devices, can immediately send out an alarm signal when the pressure in the pipeline exceeds a preset threshold value, reminding the surrounding personnel to pay attention and take corresponding measures, thereby improving the fault response speed and processing efficiency;

[0020] In the utility model, the chemical production line fault alarm device can adjust the compression degree of the spring by adjusting the position of the lifting plate, thereby making the piston block adapt to pipeline pressures of different sizes, thereby improving the applicability and flexibility of the device;

[0021] In the utility model, the chemical production line fault alarm device adopts a sealed rotating valve core and an L-shaped through hole design to ensure that the fluid will not leak when switching the flow direction. At the same time, a limiting mechanism such as a limiting rod and an arc-shaped limiting frame is provided to accurately control the rotation angle of the valve core, thereby ensuring the stability and reliability of the equipment operation.

[0022] In the utility model, the chemical alarm equipment can monitor the internal pressure of the pipeline in real time, and can automatically switch the flow direction when an abnormality occurs, so as to prevent accidents and ensure the safety of production property; at the same time, combined with the sound and light alarm device, it can respond quickly when a fault occurs and improve the processing efficiency; the adjustable lifting plate can also adapt to different pressures and enhance the applicability; the sealing valve core and the limit mechanism ensure stability and reliability, and comprehensively improve the production safety and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional structural schematic diagram of a chemical production line fault alarm device proposed by the utility model;

[0024] Figure 2 This is a three-dimensional structural schematic diagram from another perspective of a chemical production line fault alarm device proposed by the utility model;

[0025] Figure 3 This is a cross-sectional structural diagram of a chemical production line fault alarm device proposed by the utility model;

[0026] Figure 4 This is a schematic diagram of the disassembled structure of a chemical production line fault alarm device proposed by the utility model;

[0027] Figure 5 This is a schematic diagram of the turntable structure of a chemical production line fault alarm device proposed by the utility model;

[0028] Figure 6 The utility model is a schematic diagram of a piston block reset structure of a chemical production line fault alarm device.

[0029] In the figure: 1. valve body; 2. liquid inlet pipe; 3. first liquid outlet pipe; 4. second liquid outlet pipe; 5. detection connecting pipe; 6. pressure gauge; 7. controller; 8. speaker; 9. alarm light; 10. valve core; 11. connecting rod; 12. turntable; 13. L-shaped through hole; 14. torsion spring; 15. limit rod; 16. detection tube; 17. arc limit frame; 18. limit hole; 19. piston block; 20. fixing rod; 21. fixing ring; 22. mounting plate; 23. clamping column; 24. spring; 25. fixing frame; 26. screw; 27. lifting plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] Example 1

[0032] Reference Figure 1-6, a fault alarm device, comprising: a valve body 1, a liquid inlet pipe 2, a first liquid outlet pipe 3, a second liquid outlet pipe 4, a detection connecting pipe 5, a pressure gauge 6, a switching component and an audible and visual alarm device;

[0033] The valve body 1 is a core component, and its outer wall is fixedly connected with a liquid inlet pipe 2, a first liquid outlet pipe 3 and a second liquid outlet pipe 4, wherein the first liquid outlet pipe 3 and the second liquid outlet pipe 4 are on the same horizontal line, and the liquid inlet pipe 2 is kept vertical to the first liquid outlet pipe 3 and the second liquid outlet pipe 4. The internal sealing rotation of the valve body 1 is provided with a valve core 10, and an L-shaped through hole 13 is opened inside the valve core 10. The angle between the openings at both ends of the through hole is 90 degrees. The valve core 10 is used to control the flow direction of the fluid in the valve body.

[0034] The switching assembly is a key part for realizing fluid direction switching, including a connecting rod 11, a turntable 12, a torsion spring 14, a limit rod 15, an arc-shaped limit frame 17, and a piston block 19 in a detection tube 16; the connecting rod 11 is fixedly installed on the top of the valve core 10, and passes through the top of the valve body 1 and is connected to the turntable 12. The torsion spring 14 is sleeved on the connecting rod 11, and its two ends are respectively fixed on the top of the valve body 1 and the bottom of the turntable 12 to provide a reset force for the turntable 12; two limit holes 18 are provided on the turntable 12, and the angle between the connecting lines formed by the two limit holes 18 and the center of the turntable is 90 degrees, and it matches the L-shaped through hole 13 of the valve core 10.

[0035] Furthermore, the detection tube 16 is fixedly installed on the outer wall of the liquid inlet pipe 2, and a piston block 19 is sealed and slidably arranged inside the detection tube 16. The top of the piston block 19 slides through the detection tube 16 through the fixed rod 20, and is fixedly connected to a mounting plate 22, and a clamping column 23 is provided at the bottom of the mounting plate 22; the above-mentioned design can realize synchronous driving of the clamping column 23 through the rise of the piston block 19 inside the detection tube 16 when the pressure in the pipeline increases, and then the clamping column 23 can be disengaged from the limiting hole 18 of the turntable 12, thereby releasing the restriction on the valve core 10, and under the action of the torsion spring 14, the valve core 10 can automatically rotate, thereby changing the flow direction of the fluid.

[0036] In this embodiment, the detection connecting pipe 5 is connected to the liquid inlet pipe 2, and a pressure gauge 6 is installed on it for real-time monitoring of the pressure in the pipeline; in addition, a controller 7, a speaker 8 and an alarm light 9 are also installed on the detection connecting pipe 5, and the controller 7 is electrically connected to the pressure gauge 6, the speaker 8 and the alarm light 9; when abnormal pressure in the pipeline is detected, the controller 7 will start the speaker 8 and the alarm light 9 to give sound and light reminders to the surrounding personnel, and promptly notify the relevant personnel to deal with the fault.

[0037] The present application can be used in the field of chemical production technology, and can also be used in other fields applicable to the present application.

[0038] Example 2

[0039] refer to Figure 4 , 5 6. Improved on the basis of Example 1: A chemical production line fault alarm device, which is applied to the field of chemical production technology;

[0040] In order to enhance adaptability, an adjustment mechanism consisting of a fixing frame 25, a screw 26, a lifting plate 27, a spring 24 and a fixing collar 21 is also designed in this embodiment; the fixing frame 25 is firmly mounted on the outer wall of the liquid inlet pipe 2 as the basis of the adjustment mechanism, and a lifting plate 27 is slidably sleeved on its outer wall, a screw 26 is rotatably arranged at the bottom of the fixing frame 25, and the top of the screw 26 rotates and penetrates the top of the fixing frame 25, and the screw 26 is threadedly connected with the lifting plate 27 to realize the lifting and lowering adjustment function; the lifting plate 27 not only slides along the fixing frame 25, but also sleeved on the outside of the fixing rod 20, and a fixing collar 21 is provided on the fixing rod 20, which is located above the detection tube 16 and can be used as a support point for the spring 24, and the spring 24 is sleeved on the fixing rod 20, one end of the spring 24 is connected to the fixing collar 21, and the other end is close to the bottom of the lifting plate 27; by rotating the screw 26, the user can easily adjust the height of the lifting plate 27, thereby changing the preload force of the spring 24, so that the system can flexibly adapt to different levels of pipeline pressure changes, ensuring the stability and reliability of the equipment. After the pressure is released, the spring 24 can quickly push the piston block 19 to return to its original position, thereby ensuring that the device quickly returns to its initial state.

[0041] In this embodiment, a limit rod 15 is fixed on the top of the valve body 1, and an arc-shaped limit frame 17 is embedded in the turntable 12. The limit rod 15 is slidably connected to the arc-shaped slide groove, which can limit the rotation angle of the turntable 12 and the valve core 10 to ensure the stability and safety of the equipment operation.

[0042] However, as is well known to those skilled in the art, the working principles and wiring methods of the pressure gauge 6, speaker 8 and alarm light 9 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any optional selections according to their needs or convenience.

[0043] The working principle and use process of the present technical solution are as follows: when in use, the user can install the device in the fluid pipeline of chemical production, connect one end of the detection connecting pipe 5 to the fluid source pipeline, connect one end of the first liquid outlet pipe 3 to the fluid discharge pipeline, and connect one end of the second liquid outlet pipe 4 to the pressure relief pipeline; under normal working conditions, the valve core 10 can complete the connection between the liquid inlet pipe 2 and the first liquid outlet pipe 3 through the L-shaped through hole 13, and at this time the torsion spring 14 is subjected to torsion deformation, and the clamping column 23 will be inserted into the limiting hole 18 to complete the limiting of the turntable 12; when a blockage fault occurs in the chemical production pipeline, the pressure inside the pipeline gradually increases, and when the pressure detected by the pressure gauge 6 exceeds the predetermined value, this At this time, the controller 7 will control the speaker 8 and the alarm light 9 to issue sound and light reminders to the surrounding personnel; at the same time, as the internal pressure of the pipeline increases, the piston block 19 will be pushed and rise in the detection tube 16. At this time, the fixing rod 20 will drive the mounting plate 22 and the clamping column 23 to rise synchronously. When the clamping column 23 is separated from the limiting hole 18, the turntable 12 will rotate rapidly under the action of the torsion spring 14, and the connection between the liquid inlet pipe 2 and the second liquid outlet pipe 4 can be quickly completed. At this time, the fluid in the pipeline will be discharged through the pressure relief pipe to complete the pressure relief and discharge, which can avoid the continuous increase of the pressure in the pipeline and cause damage to the pipeline; when the fault is eliminated, the user can turn the valve core 10 back again and use the clamping column 23 to complete the fixation, and then the device can be ensured to be used again.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A chemical production line fault alarm device, characterized in that: include: A valve body (1), wherein the outer wall of the valve body (1) is provided with a liquid inlet pipe (2), a first liquid outlet pipe (3), and a second liquid outlet pipe (4); one end of the liquid inlet pipe (2), the first liquid outlet pipe (3), and the second liquid outlet pipe (4) are all fixedly connected to the valve body (1); the first liquid outlet pipe (3) and the second liquid outlet pipe (4) are on the same horizontal line; the liquid inlet pipe (2) and the first liquid outlet pipe (3) and the second liquid outlet pipe (4) are all kept vertical; a valve core (10) is provided inside the valve body (1) for sealing and rotation; an L-shaped through hole (13) is provided inside the valve core (10); the angle between the openings at both ends of the L-shaped through hole (13) is 90 degrees; the valve core (10) is used to change the direction of the fluid flowing in the valve body (1); It also includes a switching component, which is used to switch the flow direction of the fluid in the valve body (1) when the pressure in the pipeline increases; It also comprises a detection connecting pipe (5), the detection connecting pipe (5) being fixedly connected to one end of the liquid inlet pipe (2), and a pressure gauge (6) being fixedly mounted on the outer wall of the detection connecting pipe (5), and the pressure gauge (6) being used to detect the pressure in the pipeline.

2. A chemical production line fault alarm device according to claim 1, characterized in that: The switching assembly comprises a connecting rod (11) fixedly mounted on the top of the valve core (10); the top end of the connecting rod (11) rotates through the outer wall of the valve body (1) and is fixedly mounted with a rotating disk (12); the outer wall of the connecting rod (11) is sleeved with a torsion spring (14); the bottom end of the torsion spring (14) is fixedly connected to the top of the valve body (1); the top end of the torsion spring (14) is fixedly connected to the bottom of the rotating disk (12); the top of the rotating disk (12) is provided with two limiting holes (18); the two limiting holes (18) are connected to the rotating disk (12) Two connecting lines are formed at the center of the circle, and the angle between the two connecting lines is 90 degrees; a detection tube (16) is fixedly installed on the outer wall of the liquid inlet pipe (2), and a piston block (19) is provided inside the detection tube (16) for sealing and sliding. A fixing rod (20) is fixedly installed on the top of the piston block (19), and a mounting plate (22) is fixedly installed on the top of the fixing rod (20). A clamping column (23) is fixedly installed on the bottom of the mounting plate (22), and the clamping column (23) is engaged with the two limiting holes (18).

3. A chemical production line fault alarm device according to claim 2, characterized in that: A fixing frame (25) is fixedly mounted on the outer wall of the liquid inlet pipe (2), and a lifting plate (27) is slidably sleeved on the outer wall of the fixing frame (25). A screw rod (26) is rotatably connected to the inner wall of the bottom of the fixing frame (25), and the top end of the screw rod (26) rotates through the top of the fixing frame (25). The screw rod (26) and the lifting plate (27) are threadedly connected. The lifting plate (27) is slidably sleeved on the outer wall of the fixing rod (20), and a fixing collar (21) is fixedly sleeved on the outer wall of the fixing rod (20). The fixing ring (21) is located above the detection tube (16), the outer wall of the fixing rod (20) is sleeved with a spring (24), the bottom end of the spring (24) is fixedly connected to the top of the fixing ring (21), the top end of the spring (24) is fixedly connected to the bottom of the lifting plate (27), the spring (24) is used to complete the rapid reset of the piston block (19), and the lifting plate (27) is used to adjust the compression degree of the spring (24), so that the piston block (19) can adapt to pipeline pressures of different sizes.

4. A chemical production line fault alarm device according to claim 2, characterized in that: A limit rod (15) is fixedly installed on the top of the valve body (1), and an arc-shaped limit frame (17) is fixedly embedded inside the rotating disk (12). An arc-shaped slide groove is provided inside the arc-shaped limit frame (17), and the limit rod (15) is slidably connected to the arc-shaped slide groove to limit the rotation angle of the valve core (10).

5. A chemical production line fault alarm device according to claim 2, characterized in that: The movable distance of the piston block (19) inside the detection tube (16) is greater than the length of the clamping column (23), so as to ensure that the clamping column (23) can be smoothly separated from the limiting hole (18).

6. A chemical production line fault alarm device according to claim 1, characterized in that: A controller (7), a loudspeaker (8), and an alarm light (9) are fixedly mounted on the outer wall of the detection connection pipe (5); the controller (7) is electrically connected to the pressure gauge (6), the loudspeaker (8), and the alarm light (9); and the loudspeaker (8) and the alarm light (9) are used to provide sound and light warnings to surrounding personnel when the pressure in the pipeline is too high.

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