Gas detection device for chemical safety
By designing a chemical safety gas detection device equipped with an inflatable pump, a gas pressure gauge and a leakage rate detector, the problem of difficulty in detecting leakage before chemical pipeline inspection is solved, safe and reliable pipeline airtightness detection is achieved, and safety hazards and manpower and material consumption are reduced.
Patent Information
- Application Number
- CN202420387603.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-02-28
AI Technical Summary
It is difficult for chemical plants to detect leakage before testing chemical pipelines, and it is difficult to deal with leakage after operation, which poses safety hazards and high manpower and material consumption.
A gas detection device for chemical safety is designed, including a detection box and a detection chamber, equipped with an air pump, a pressure gauge and a leakage rate detector, which can detect the airtightness of the pipeline under pressure conditions.
The device can safely and reliably detect the airtightness of the pipe, avoid chemical material leakage, measure air pressure and leakage rate in real time, and improve the accuracy and safety of the detection.
Smart Images
Figure CN222689367U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas detection devices, in particular to a gas detection device for chemical safety. Background Art
[0002] Chemical industry refers to the chemical industry, which is mainly divided into three categories: petrochemicals, basic chemicals and chemical fibers. Most chemical plants have a large number of pipelines with large volumes. Pipelines can be used to transport flammable gases. In order to prevent flammable gas leaks and avoid danger, chemical plants will have specialized technicians to regularly inspect pipelines, especially the connections between pipelines, which need to be carefully inspected to prevent flammable gas leaks.
[0003] At present, chemical plants have the following problems in the detection of chemical pipelines: before the pipeline is put into operation, it is difficult to find out whether there is a leak at the pipeline interface because there is no pressure in the pipeline. After the pipeline is put into operation, it is difficult to deal with the pipeline leakage. The media of some pipelines are flammable and explosive gases, and some are acid-base corrosive liquids. What's more, some have extremely harmful radiation. Confirming whether the pipeline is leaking after commissioning has great safety risks and hazards and consumes manpower and material resources. Therefore, we propose a gas detection device for chemical safety to solve the above problems. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the above technical problems and provide a gas detection device for chemical safety, which has a novel structure, reasonable design, convenient detection, can detect pipelines without pressure, and has a wider range of applications.
[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a gas detection device for chemical safety, comprising a detection box body 1 and a detection box body 2, wherein the detection box body 1 and the detection box body 2 constitute a detection box body, a detection cavity is arranged in the detection box body, an arc groove 1 is arranged on the detection box body 1, and an arc groove 2 is arranged on the detection box body 2, both the arc groove 1 and the arc groove 2 are used in conjunction with a pipeline, an air pump is connected in the detection cavity through an air filling pipe, a pressure gauge is connected in the detection cavity through a connecting pipe 1, and a leakage rate detector is connected in the detection cavity through a connecting pipe 2, a connecting part 1 is arranged on both sides of the detection box body 1, a notch and a groove are arranged on the connecting part 1, a connecting part 2 is arranged on both sides of the detection box body 2, the connecting part 2 is used in conjunction with the connecting part 1, a protrusion and a convex block are arranged on the connecting part 2, the protrusion is used in conjunction with the notch, the convex block is used in conjunction with the groove, and a plurality of groups of elastic bolt connectors are connected between the connecting part 1 and the connecting part 2.
[0006] As an improvement, sealing rings are provided at the connection points between the arc groove 1 and the arc groove 2 and the pipeline.
[0007] As an improvement, an L-shaped sealing ring is connected between the notch and the protrusion.
[0008] As an improvement, a filling cavity is provided between the protrusion and the bump, and a sealing filler is provided in the filling cavity.
[0009] As an improvement, the elastic bolt connector includes a bolt, a nut and a spring, the spring is sleeved on the bolt, threaded holes are provided on the connection part one and the connection part two, and the bolt passes through the threaded holes and is used in conjunction with the nut.
[0010] As an improvement, the diameter of the detection cavity is larger than the diameter of the pipeline connection.
[0011] After adopting the above structure, the utility model has the following advantages:
[0012] 1. The utility model has a novel structure and a reasonable design. The setting of the air pump can deliver air to the detection chamber to increase the pressure. There is no need to introduce a medium into the pipeline. There is no requirement for the pressure in the pipeline. The detection process is safe and reliable, and there will be no leakage of chemical materials.
[0013] Second, the setting of the barometer in the utility model can measure the air pressure in the detection cavity in real time, so as to detect the air tightness of the pipeline;
[0014] 3. The setting of the leakage rate detector in the utility model can detect the amount of gas leaking from the pipeline, thereby roughly determining the degree of failure of the airtightness at the interface of the connecting pipeline;
[0015] Fourth, the connection part 1 and the connection part 2 in the utility model are used in combination, and the connection part 1 and the connection part 2 are provided with multiple groups of card contacts, which can adaptively find the installation position during installation, are not easy to be installed off-center, and have a better sealing effect, thereby better detecting the air tightness of the pipeline and making the detection data more accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model is a structural schematic diagram of a gas detection device for chemical safety.
[0017] Figure 2 The utility model is a cross-sectional view of a gas detection device for chemical safety.
[0018] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure of part A.
[0019] As shown in the figure: 1. Detection box body 1; 2. Detection box body 2; 3. Detection cavity; 4. Arc groove 1; 5. Arc groove 2; 6. Pipeline; 7. Inflating tube; 8. Inflating pump; 9. Connecting pipe 1; 10. Pressure gauge; 11. Connecting pipe 2; 12. Leakage rate detector; 13. Connecting part 1; 14. Notch; 15. Groove; 16. Connecting part 2; 17. Protrusion; 18. Bump; 19. Elastic bolt connector; 20. Sealing ring; 21. L-shaped sealing ring; 22. Filling cavity; 23. Sealing packing; 24. Bolt; 25. Nut; 26. Spring. DETAILED DESCRIPTION
[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", "center", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction structure and operation. Therefore, they should not be understood as limitations on the present invention.
[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "provided with", "installed", "connected", "connected" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0023] Combined with Figure 1 -Attached Figure 3A gas detection device for chemical safety, comprising a detection box body 1 and a detection box body 2, wherein the detection box body 1 and the detection box body 2 constitute a detection box body, wherein a detection chamber 3 is arranged in the detection box body, an arc groove 4 is arranged on the detection box body 1, and an arc groove 25 is arranged on the detection box body 2, wherein the arc groove 4 and the arc groove 25 are used in conjunction with a pipe 6, and a sealing ring 20 is arranged at the connection between the arc groove 14 and the arc groove 25 and the pipe 6, wherein the diameter of the detection chamber 3 is greater than the diameter at the connection of the pipe 6, an air pump 8 is connected in the detection chamber 3 through an air filling pipe 7, an air pressure gauge 10 is connected in the detection chamber 3 through a connecting pipe 9, and a leakage rate detector 12 is connected in the detection chamber 3 through a connecting pipe 2 11, and a connecting part 13 is arranged on both sides of the detection box body 1, and a notch 14 and a groove are arranged on the connecting part 13 15. Both sides of the detection box body 2 are provided with a connecting part 2 16, and the connecting part 2 16 is used in conjunction with the connecting part 1 13. A protrusion 17 and a bump 18 are provided on the connecting part 2 16, and the protrusion 17 is used in conjunction with the notch 14. An L-shaped sealing ring 21 is connected between the notch 14 and the protrusion 17, and the bump 18 is used in conjunction with the groove 15. A filling cavity 22 is provided between the protrusion 17 and the bump 18, and a sealing filler 23 is provided in the filling cavity 22. A plurality of groups of elastic bolt connectors 19 are connected between the connecting part 1 13 and the connecting part 2 16, and the elastic bolt connector 19 includes a bolt 24, a nut 25 and a spring 26, and the spring 26 is sleeved on the bolt 24. Threaded holes are provided on the connecting part 1 13 and the connecting part 2 16, and the bolt 24 passes through the threaded hole and is used in conjunction with the nut 25.
[0024] In the specific implementation of the utility model, the detection box body 1 and the detection box body 2 are connected to the pipeline 6 to be detected, the L-shaped sealing ring 21 is placed at the notch 14, the sealing filler 23 is placed in the filling cavity 22, the protrusion 17 is matched with the notch 14, the convex block 18 is placed in the groove 15, and then the detection box body 1 and the detection box body 2 are fixedly connected to the pipeline 6 to be detected with bolts 24, and a certain amount of gas is filled into the detection cavity 3 with an air pump 8. The pressure change in the detection cavity 3 is observed through the barometer 10. If the barometer 10 If there is no change in the indication, it indicates that the air tightness of the detection area of pipeline 6 is good. If the indication of the pressure gauge 10 changes, it means that the air tightness of the detection area of pipeline 6 is not good. The amount of gas leaked from pipeline 6 can be detected through the change in the indication on the leakage rate detector 12, so as to roughly detect the degree of failure of the air tightness of the detection area of pipeline 6. It is more convenient. The inflation pump 8 can supply gas to the detection chamber 3 for pressurization. There is no need to introduce a medium into the pipeline 6. There is no requirement for the pressure in the pipeline 6. The detection process is safe and reliable, and there will be no leakage of chemical materials. It is more practical.
[0025] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A gas detection device for chemical safety, characterized in that: The invention comprises a detection box body (1) and a detection box body (2), wherein the detection box body (1) and the detection box body (2) constitute a detection box body, wherein a detection chamber (3) is provided in the detection box body, wherein an arc-shaped groove (4) is provided on the detection box body (1), wherein an arc-shaped groove (5) is provided on the detection box body (2), wherein the arc-shaped groove (4) and the arc-shaped groove (5) are used in conjunction with a pipeline (6), wherein an air pump (8) is connected to the detection chamber (3) via an air filling pipe (7), wherein an air pressure gauge (10) is connected to the detection chamber (3) via a connecting pipe (9), and wherein a leakage rate meter (11) is connected to the detection chamber (3) via a connecting pipe (12). A detector (12), wherein both sides of the detection box body (1) are provided with a connection part (13), the connection part (13) is provided with a notch (14) and a groove (15), and both sides of the detection box body (2) are provided with a connection part (16), the connection part (16) and the connection part (13) are used in conjunction with each other, the connection part (16) is provided with a protrusion (17) and a bump (18), the protrusion (17) and the notch (14) are used in conjunction with each other, the bump (18) and the groove (15) are used in conjunction with each other, and a plurality of groups of elastic bolt connectors (19) are provided between the connection part (13) and the connection part (16).
2. A chemical safety gas detection device according to claim 1, characterized in that: A sealing ring (20) is provided at the connection points between the arc-shaped groove 1 (4) and the arc-shaped groove 2 (5) and the pipeline (6).
3. A chemical safety gas detection device according to claim 1, characterized in that: An L-shaped sealing ring (21) is connected between the notch (14) and the protrusion (17).
4. A chemical safety gas detection device according to claim 1, characterized in that: A filling cavity (22) is provided between the protrusion (17) and the convex block (18), and a sealing filler (23) is provided in the filling cavity (22).
5. A chemical safety gas detection device according to claim 1, characterized in that: The elastic bolt connector (19) comprises a bolt (24), a nut (25) and a spring (26); the spring (26) is sleeved on the bolt (24); threaded holes are provided on the first connecting part (13) and the second connecting part (16); the bolt (24) passes through the threaded holes and cooperates with the nut (25) for use.
6. A chemical safety gas detection device according to claim 1, characterized in that: The diameter of the detection cavity (3) is larger than the diameter of the connection portion of the pipeline (6).