Liquefied gas bottle leakage detection device for chemical plant

Abstract

The utility model discloses a liquefied gas bottle leakage detection device for a chemical plant, which comprises a cabinet, a base plate arranged on one side of the top end of the cabinet, a casing arranged on the top end of the cabinet on the outer side of the base plate, limiting rails arranged on two sides of the top end of the base plate, a detection table slidably connected to the tops of the limiting rails, and a pull handle arranged on the surface of the detection table. A lifting plate is arranged above the detection table, a top plate is arranged above the lifting plate, stand columns are arranged at the corners of the bottom end of the top plate, the bottom ends of the stand columns are fixedly connected with the top end of the base plate, guide cylinders are arranged at the corners in the lifting plate, and a limiting frame is arranged at the center of the top end of the detection table. A liquefied gas bottle body is mounted at the top end of the detection table on the inner side of the limiting frame. According to the utility model, not only is the convenience of the detection device in use improved, but also the leakage detection effect of the detection device on the liquefied gas bottle body in use is ensured, the purpose of easily replacing the liquefied gas bottle body is achieved, and the liquefied gas bottle body is easily and stably detected.

Description

Technical Field

[0001] The utility model relates to the technical field of liquefied gas cylinder leakage detection, in particular to a liquefied gas cylinder leakage detection device used in a chemical plant. Background Art

[0002] In the chemical production process, liquefied gas is widely used as an important raw material or energy. However, liquefied gas cylinders may leak during use due to valve aging, loose sealing, external force impact, etc. This not only causes a waste of resources, but more importantly, it may cause serious safety accidents such as fire and explosion, posing a great threat to human life safety and the environment. Therefore, it is particularly important to develop a liquefied gas cylinder leakage detection device for chemical plants.

[0003] Reference announcement number CN212158953U is a liquefied gas cylinder leakage detection device for chemical plants, which includes a liquefied gas cylinder body, a fixed clamp ring, the fixed clamp ring is matched with the card groove of the sealing ring, the liquefied bottle body also includes a sealing sleeve, a water storage tank, an air bag, a sealing ring, a card groove, the sealing sleeve is clamped and arranged at the outer end face of the liquefied bottle body, and the water storage tank is embedded in the top end face of the sealing sleeve. Through the arrangement relationship of the sealing sleeve, the sealing ring, the card groove, the fixed clamp ring, the threaded groove, the threaded fixing member and the block, the sealing sleeve and the sealing ring at the liquefied gas cylinder can be fixed and clamped, so that In order to improve the sealing performance of the connection between the gas leakage detection device and the liquefied gas cylinder, thereby ensuring the use effect of the gas leakage detection device, and at the same time, by utilizing the layout of the sealing sleeve, water storage tank and air bag, the liquefied gas cylinder can be leak detected, which can ensure the normal use of the liquefied gas cylinder. According to the above, although the device can be well applied to detect gas leakage in liquefied gas cylinders, it is usually necessary for personnel to manually install the sealing detection components. Because it is not convenient to automatically install the sealing detection components on the liquefied gas cylinder, the labor intensity of the personnel is increased, and there are certain inconveniences, which need to be improved. Utility Model Content

[0004] The purpose of the present utility model is to provide a liquefied gas cylinder leakage detection device for chemical plants, so as to solve the problem that although the device proposed in the above background technology can be well applied to detect leakage of liquefied gas cylinders, it is usually necessary for personnel to manually install the sealing detection component. Since it is not convenient to automatically install the sealing detection component on the liquefied gas cylinder, the labor intensity of the personnel is increased, and there are certain inconveniences.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquefied gas cylinder leakage detection device for a chemical plant, comprising a cabinet, a base plate is provided on one side of the top of the cabinet, a casing is provided on the top of the cabinet outside the base plate, limit rails are provided on both sides of the top of the base plate, the top of the limit rails is slidably connected to a detection platform, a pull handle is provided on the surface of the detection platform, a lifting plate is provided above the detection platform, a top plate is provided above the lifting plate, columns are provided at the corner positions of the bottom end of the top plate, the bottom ends of the columns are fixedly connected to the top of the base plate, guide cylinders are provided at the corner positions inside the lifting plate, the guide cylinders are movably connected to the columns, a limit frame is provided at the center position of the top of the detection platform, a liquefied gas cylinder body is installed on the top of the detection platform inside the limit frame, a control panel is installed on one side of the casing surface, and opening and closing buttons are provided on the outer walls on both sides of the base plate.

[0006] Preferably, an alarm is installed on one side of the top of the casing, and the input end of the alarm is electrically connected to the output end of the single chip microcomputer inside the control panel. The alarm is set to sound an alarm when leakage is detected in the liquefied gas cylinder body.

[0007] Preferably, a sealing cylinder is provided at the center of the bottom end of the lifting plate, and the bottom end of the sealing cylinder contacts the outer wall of the liquefied gas cylinder body. The sealing cylinder is provided to abut and seal the upper end of the liquefied gas cylinder body.

[0008] Preferably, side seats are provided on the outer walls on both sides of the detection platform, V-shaped positioning grooves are provided on the outer walls of the side seats, positioning seats are provided on the tops of the substrates on both sides of the detection platform, and telescopic driving components are installed on the outer walls of the positioning seats. The input end of the telescopic driving component is electrically connected to the output end of the single-chip microcomputer inside the control panel, and one end of the telescopic driving component passes through the positioning seat and is provided with a V-shaped positioning head. The telescopic driving component is set to drive the V-shaped positioning head to move horizontally.

[0009] Preferably, a lifting drive component is installed at the center position of the top of the top plate, the input end of the lifting drive component is electrically connected to the output end of the single chip microcomputer inside the control panel, and the bottom end of the lifting drive component passes through the top plate and is connected to the top of the lifting plate. The lifting drive component is set to drive the lifting plate to perform lifting processing.

[0010] Preferably, a gas sensor is installed at the bottom end of the lifting plate inside the sealing cylinder, and the output end of the gas sensor is electrically connected to the input end of the single chip microcomputer inside the control panel. The gas sensor is set to detect the gas concentration inside the sealing cylinder.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the liquefied gas cylinder leakage detection device for chemical plants not only improves the convenience of use of the detection device, but also ensures the leakage detection effect of the liquefied gas cylinder body when the detection device is used, and achieves the purpose of facilitating the replacement of the liquefied gas cylinder body and facilitating stable detection of the liquefied gas cylinder body;

[0012] (1) The lifting plate is driven downward by the lifting drive member, so that the lifting plate drives the guide cylinder located on the outer wall of the column to slide downward, so that the lifting plate drives the sealing cylinder to move downward smoothly, and the bottom of the sealing cylinder touches the outer wall of the upper end of the liquefied gas cylinder body, so as to automatically place the sealing cylinder on the outer side of the liquefied gas cylinder body, thereby improving the convenience of using the detection device compared with the traditional manual operation method;

[0013] (2) The bottom of the sealing tube contacts the outer wall of the upper end of the liquefied gas cylinder body to form a relatively sealed cavity. Due to the setting of the gas sensor, it is possible to detect the leakage of extremely low concentration liquefied gas inside the sealing tube. If the gas sensor detects the existence of liquefied gas leakage, the alarm will sound an alarm to prompt, thereby ensuring the leakage detection effect of the liquefied gas cylinder body when the detection device is used;

[0014] (3) The V-shaped positioning head is driven to move horizontally by the telescopic driving member so that the V-shaped positioning head moves horizontally into the V-shaped positioning groove, and the detection platform can be locked and placed at the front end of the top of the limit rail through the side seat body to perform leakage detection on the liquefied gas cylinder body placed on the top of the detection platform. When the V-shaped positioning head is separated from the V-shaped positioning groove, the handle is pulled to drag the detection platform located on the top of the limit rail to slide backward, and the detection platform can be slid to the outside of the casing to replace the liquefied gas cylinder body, thereby achieving the purpose of facilitating the replacement of the liquefied gas cylinder body and facilitating stable detection of the liquefied gas cylinder body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 A in the middle is an enlarged structural diagram;

[0018] Figure 4 This is a schematic diagram of the top view of the substrate structure of the utility model.

[0019] In the figure: 1. Cabinet; 2. Casing; 3. Alarm; 4. Control panel; 5. Base plate; 6. Limit rail; 7. Open / Close button; 8. Test table; 9. Pull handle; 10. Lifting plate; 11. Lifting drive member; 12. Top plate; 13. Column; 14. Guide cylinder; 15. Limit frame; 16. Liquefied gas cylinder body; 17. Sealing cylinder; 18. Gas sensor; 19. Positioning seat; 20. Telescopic drive member; 21. Side seat; 22. V-shaped positioning head; 23. V-shaped positioning groove. DETAILED DESCRIPTION

[0020] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The present invention provides an embodiment of a liquefied gas cylinder leakage detection device for a chemical plant, comprising a cabinet 1, a base plate 5 being provided on one side of the top of the cabinet 1, a housing 2 being provided on the top of the cabinet 1 outside the base plate 5, an alarm 3 being installed on one side of the top of the housing 2, an input end of the alarm 3 being electrically connected to an output end of a single-chip microcomputer inside a control panel 4;

[0022] When in use, the alarm 3 is set to sound an alarm when a leakage is detected in the liquefied gas cylinder body 16;

[0023] Limit rails 6 are provided on both sides of the top of the substrate 5. The top of the limit rails 6 is slidably connected to the detection platform 8. Side seats 21 are provided on the outer walls of both sides of the detection platform 8. V-shaped positioning grooves 23 are provided on the outer walls of the side seats 21. Positioning seats 19 are provided on the top of the substrate 5 on both sides of the detection platform 8. A telescopic driving member 20 is installed on the outer wall of the positioning seat 19. The input end of the telescopic driving member 20 is electrically connected to the output end of the single-chip microcomputer inside the control panel 4. One end of the telescopic driving member 20 passes through the positioning seat 19 and is provided with a V-shaped positioning head 22.

[0024] When in use, the telescopic driving member 20 is arranged to drive the V-shaped positioning head 22 to translate;

[0025] A handle 9 is provided on the surface of the testing platform 8, and a lifting plate 10 is provided above the testing platform 8. A sealing cylinder 17 is provided at the center of the bottom end of the lifting plate 10, and the bottom end of the sealing cylinder 17 contacts the outer wall of the liquefied gas cylinder body 16;

[0026] When in use, the sealing cylinder 17 is provided to abut and seal the upper end of the liquefied gas cylinder body 16;

[0027] A gas sensor 18 is installed at the bottom end of the lifting plate 10 inside the sealing cylinder 17. The output end of the gas sensor 18 is electrically connected to the input end of the single chip microcomputer inside the control panel 4.

[0028] When in use, the gas sensor 18 is provided to detect the gas concentration inside the sealing tube 17;

[0029] A top plate 12 is provided above the lifting plate 10. A lifting drive member 11 is installed at the center of the top of the top plate 12. The input end of the lifting drive member 11 is electrically connected to the output end of the single-chip microcomputer inside the control panel 4. The bottom end of the lifting drive member 11 passes through the top plate 12 and is connected to the top of the lifting plate 10.

[0030] When in use, the lifting drive member 11 is arranged to drive the lifting plate 10 to perform lifting processing;

[0031] The top plate 12 is provided with a column 13 at the corner position of the bottom end, and the bottom end of the column 13 is fixedly connected to the top of the base plate 5. The corner position inside the lifting plate 10 is provided with a guide cylinder 14, and the guide cylinder 14 is movably connected to the column 13. A limit frame 15 is provided at the center position of the top of the detection platform 8. The top of the detection platform 8 inside the limit frame 15 is installed with a liquefied gas cylinder body 16. A control panel 4 is installed on one side of the surface of the casing 2, and an opening and closing button 7 is provided on the outer wall on both sides of the base plate 5.

[0032] When the embodiment of the present application is in use, the lifting plate 10 is first driven downward by the lifting drive member 11, so that the lifting plate 10 drives the guide cylinder 14 located on the outer wall of the column 13 to slide downward, so that the lifting plate 10 drives the sealing cylinder 17 to move downward smoothly, and the bottom of the sealing cylinder 17 touches the outer wall of the upper end of the liquefied gas cylinder body 16, so as to automatically place the sealing cylinder 17 on the outer side of the liquefied gas cylinder body 16 to form a relatively sealed cavity. Due to the setting of the gas sensor 18, whether there is a liquefied gas leakage inside the sealing cylinder 17 can be detected. If the gas sensor 18 detects a liquefied gas leakage, the alarm 3 will sound an alarm to prompt, so that To ensure the leakage detection effect of the detection device on the liquefied gas cylinder body 16, the V-shaped positioning head 22 is driven to translate by the telescopic drive member 20, so that the V-shaped positioning head 22 is translated into the V-shaped positioning groove 23, and the detection platform 8 can be locked and placed at the front end of the top of the limit rail 6 through the side seat body 21 to perform leakage detection on the liquefied gas cylinder body 16 placed on the top of the detection platform 8. When the V-shaped positioning head 22 is disengaged from the V-shaped positioning groove 23, the handle 9 is pulled to drag the detection platform 8 at the top of the limit rail 6 to slide backward, and the detection platform 8 can be slid to the outside of the casing 2 to replace the liquefied gas cylinder body 16, thereby completing the use of the detection device.

Claims

1. A liquefied gas cylinder leakage detection device for a chemical plant, characterized by: The invention comprises a cabinet (1), wherein a base plate (5) is provided on one side of the top of the cabinet (1), a housing (2) is provided on the top of the cabinet (1) outside the base plate (5), a limit rail (6) is provided on both sides of the top of the base plate (5), a detection platform (8) is slidably connected to the top of the limit rail (6), a handle (9) is provided on the surface of the detection platform (8), a lifting plate (10) is provided above the detection platform (8), a top plate (12) is provided above the lifting plate (10), and columns (13) are provided at the corner positions of the bottom end of the top plate (12). ), the bottom end of the column (13) is fixedly connected to the top end of the base plate (5), a guide cylinder (14) is provided at the corner position inside the lifting plate (10), the guide cylinder (14) is movably connected to the column (13), a limit frame (15) is provided at the center position of the top end of the detection platform (8), a liquefied gas cylinder body (16) is installed on the top end of the detection platform (8) inside the limit frame (15), a control panel (4) is installed on one side of the surface of the casing (2), and an opening and closing button (7) is provided on the outer wall of both sides of the base plate (5).

2. The liquefied gas cylinder leakage detection device for a chemical plant according to claim 1, characterized in that: An alarm (3) is installed on one side of the top of the housing (2), and the input end of the alarm (3) is electrically connected to the output end of the single chip microcomputer inside the control panel (4).

3. The liquefied gas cylinder leakage detection device for a chemical plant according to claim 1, characterized in that: A sealing cylinder (17) is provided at the center of the bottom end of the lifting plate (10), and the bottom end of the sealing cylinder (17) contacts the outer wall of the liquefied gas cylinder body (16).

4. The liquefied gas cylinder leakage detection device for a chemical plant according to claim 1, characterized in that: Side seats (21) are provided on the outer walls of both sides of the detection platform (8), and V-shaped positioning grooves (23) are provided on the outer walls of the side seats (21). Positioning seats (19) are provided on the tops of the substrates (5) on both sides of the detection platform (8), and a telescopic driving member (20) is installed on the outer wall of the positioning seat (19). The input end of the telescopic driving member (20) is electrically connected to the output end of the single chip microcomputer inside the control panel (4), and one end of the telescopic driving member (20) passes through the positioning seat (19) and is provided with a V-shaped positioning head (22).

5. The liquefied gas cylinder leakage detection device for a chemical plant according to claim 1, characterized in that: A lifting drive member (11) is installed at the center position of the top of the top plate (12), the input end of the lifting drive member (11) is electrically connected to the output end of the single chip microcomputer inside the control panel (4), and the bottom end of the lifting drive member (11) passes through the top plate (12) and is connected to the top of the lifting plate (10).

6. The liquefied gas cylinder leakage detection device for a chemical plant according to claim 3, characterized in that: A gas sensor (18) is installed at the bottom end of the lifting plate (10) inside the sealing cylinder (17), and the output end of the gas sensor (18) is electrically connected to the input end of the single chip microcomputer inside the control panel (4).

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