Blast furnace gas leakage detection device
By installing detection parts, alarms, control terminal boxes and shutdown valve parts on the blast furnace, the problem of lag in the gas leakage detection response in the blast furnace environment is solved, efficient and reliable gas leakage detection and rapid response are achieved, and production safety is ensured.
Patent Information
- Application Number
- CN202422543964.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The existing gas leakage detection methods have lagged responses, limited coverage and are susceptible to environmental interference in complex blast furnace environments, making it difficult to effectively deal with the risk of gas leakage, and there is a potential threat to production safety.
A gas leakage detection device for blast furnace is designed, including a detection part, an alarm, a control terminal box and a shutdown valve part fixed to the blast furnace body. By monitoring the changes in gas concentration and pressure in real time, an alarm is issued in a timely manner and the gas supply is cut off.
Real-time monitoring and rapid response to blast furnace gas leakage is achieved, which reduces the risks brought by gas leakage, improves the accuracy and reliability of detection, simplifies the operation process and improves work efficiency.
Smart Images
Figure CN223016891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas detection, in particular to a device for detecting blast furnace gas leakage. Background Technique
[0002] The state has continuously strengthened the control over the safety and environmental protection of iron and steel enterprises with high energy consumption and high pollution. Under this general trend, the main links with high energy consumption and high pollution in iron and steel enterprises are the processes before ironmaking. As the core equipment for steel smelting, the problem of gas leakage during the operation of blast furnaces has always been the focus of industry attention.
[0003] At present, existing gas leakage detection methods, such as manual inspection and fixed-point monitoring, have limitations such as response lag, limited coverage, and susceptibility to environmental interference, and are difficult to effectively cope with the gas leakage risks in the complex environment of blast furnaces, posing a potential threat to production safety. In the blast furnace gas area, gas leakage occurs from time to time. Although it is within the controllable range, once a large area of gas leakage occurs, it is impossible for personnel to discover it in time, posing great danger to blast furnace production and personnel safety. Content of the Utility Model
[0004] In view of the deficiencies of the prior art, the utility model proposes a device for detecting blast furnace gas leakage, so that.
[0005] To achieve the above object, the utility model provides the following technical solution: A device for detecting blast furnace gas leakage, including a blast furnace body. An inner tank cavity is fixedly installed inside the blast furnace body. A steam outlet is fixedly installed at the top of the inner tank cavity. A detector is fixedly installed on one side of the upper end of the blast furnace body. An alarm is fixedly installed on one side of the detector. A control terminal box is fixedly installed on one side of the bottom of the blast furnace body. A water level gauge is fixedly installed in the middle of the side wall of the blast furnace body. A gas pipe penetrates through the bottom of the blast furnace body. A burner is fixedly installed at the inner end of the gas pipe. A cut-off valve member is fixedly installed at the outer end of the gas pipe.
[0006] Preferably, the cut-off valve member includes a connecting pipe, a cut-off housing, a valve core, an electromagnetic valve, and a conveying pipe. The connecting pipe is bolted to the gas pipe. One end of the cut-off housing is fixedly connected to the connecting pipe, and the other end is fixedly connected to the conveying pipe. The valve core is rotatably installed inside the cut-off housing. The electromagnetic valve is fixedly installed on the periphery of the cut-off housing. The output end of the electromagnetic valve is fixedly installed with the valve core.
[0007] Preferably, a sealing strip is fixedly installed between the gas pipe and the cut-off valve member.
[0008] Preferably, the detector is for pressure detection and gas concentration detection. The gas concentration detection device is used to detect the gas concentration in the air.
[0009] Preferably, the control terminal box is communicatively connected to the detection member, the water level gauge, the burner, and the cut-off valve member.
[0010] Compared with the prior art, the present utility model has the following beneficial effects:
[0011] For this blast furnace gas leakage detection device, through the detection member fixedly installed on the blast furnace body, it can monitor the gas concentration and pressure changes in the blast furnace in real time. Once an abnormality is detected, an alarm can be quickly issued through the alarm, and the gas supply can be cut off through the cut-off valve member, shortening the response time and reducing the risk brought by gas leakage. The detection member is fixedly installed on the blast furnace body, and its working environment is relatively stable, less affected by the external environment, improving the accuracy and reliability of detection, simplifying the operation process, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0013] Figure 2 is a schematic cross-sectional view of the overall structure of the present utility model;
[0014] Figure 3 is a schematic diagram of the structure of the cut-off valve member of the present utility model;
[0015] Figure 4 is a schematic cross-sectional view of the structure of the cut-off valve member of the present utility model.
[0016] In the figure: 1, blast furnace body; 2, steam outlet pipe; 3, inner tank cavity; 4, control terminal box; 5, cut-off valve member; 501, connecting pipe; 502, cut-off housing; 503, valve core; 504, solenoid valve; 505, delivery pipe; 6, detection member; 7, alarm; 8, sealing strip; 9, burner; 10, gas pipe; 11, water level gauge. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.
[0018] Please refer to Figures 1 - 4, A device for detecting leakage of blast furnace gas, including a blast furnace body 1. Inside the blast furnace body 1, an inner tank cavity 3 is fixedly installed. At the top of the inner tank cavity 3, a steam outlet pipe 2 is fixedly installed, and the steam outlet pipe 2 is connected to an external steam treatment system to ensure the safe discharge of steam and waste gas. On one side of the upper end of the blast furnace body 1, a detector 6 is fixedly installed. On one side of the detector 6, an alarm 7 is fixedly installed, and the alarm 7 is connected to the detector 6. When the detector 6 detects that the concentration of blast furnace gas exceeds the safety threshold, the alarm 7 will emit an audible and visual alarm signal. On one side of the bottom of the blast furnace body 1, a control terminal box 4 is fixedly installed. Inside the control terminal box 4, there are components such as a processor, a display screen, and operation buttons, which can display the concentration data of blast furnace gas in real time and control the operation of safety devices such as a cut-off valve member 5. In the middle of the side wall of the blast furnace body 1, a water level gauge 11 is fixedly installed, and the water level gauge 11 can ensure that the water level inside the blast furnace remains within the safe range to prevent safety accidents caused by too high or too low water level. A gas pipe 10 penetrates through the bottom of the blast furnace body 1. The gas pipe 10 is the main conveying path of blast furnace gas and is used to convey the gas generated by the blast furnace to a burner 9. At the inner end of the gas pipe 10, the burner 9 is fixedly installed. The burner 9 is fixedly installed at the inner end of the gas pipe 10 and is used to burn the blast furnace gas to generate heat energy or electrical energy. At the outer end of the gas pipe 10, a cut-off valve member 5 is fixedly installed.
[0019] During use, the detector 6 is fixedly installed on one side of the upper end of the blast furnace body 1 to ensure that the detection range covers key areas. The alarm 7 and the detector 6 are connected by a special cable to ensure stable signal transmission. The control terminal box 4 should be installed in a position convenient for observation and operation. The components such as the internal processor, display screen, and operation buttons should be intact and connected to the detector 6, cut-off valve member 5, etc. through cables. Observe the concentration data of blast furnace gas through the display screen of the control terminal box 4 to ensure that it is within the safety threshold. Once the detector 6 detects that the concentration of blast furnace gas exceeds the safety threshold, the alarm 7 will emit an audible and visual alarm signal. At this time, the specific data on the display screen should be immediately checked and corresponding measures should be taken, such as closing the cut-off valve member 5 to stop the gas transmission. By real-time monitoring the concentration of blast furnace gas, potential safety hazards can be discovered and processed in a timely manner, effectively preventing the occurrence of gas leakage accidents. The rapid response ability of the cut-off valve member 5 can quickly cut off the gas supply in case of an emergency, reducing accident losses. The application of automatic control technology reduces the frequency of manual intervention and improves production efficiency.
[0020] Such as Figure 3 Or Figure 4As shown in the figure, the cut-off valve member 5 includes a connecting pipe 501, a cut-off housing 502, a valve core 503, a solenoid valve 504, and a delivery pipe 505. The connecting pipe 501 is bolted to the gas pipe 10. One end of the cut-off housing 502 is fixedly connected to the connecting pipe 501, and the other end is fixedly connected to the delivery pipe 505. The valve core 503 is rotatably installed inside the cut-off housing 502. The solenoid valve 504 is fixedly installed on the peripheral side of the cut-off housing 502, and the output end of the solenoid valve 504 is fixedly installed with the valve core 503. During the above use process, when the blast furnace gas is being transported normally, the solenoid valve 504 is in the open state, driving the valve core 503 to rotate to the flow-through position, so that the gas can smoothly pass through the cut-off housing 502 and enter the delivery pipe 505. When it is detected that the blast furnace gas leaks or it is necessary to stop the gas transportation, a closing signal is sent to the solenoid valve 504 through the control terminal box 4. The solenoid valve 504 quickly responds and closes, driving the valve core 503 to rotate to the cut-off position, cutting off the gas transportation. When it is necessary to resume the gas transportation, an opening signal is sent to the solenoid valve 504 through the control terminal box 4. The solenoid valve 504 responds and opens again, driving the valve core 503 to rotate back to the flow-through position. The cut-off valve member 5 can quickly respond to the control signal, realize the rapid cut-off of the gas, effectively prevent the occurrence of gas leakage accidents, and improve the safety of blast furnace production. Through the automatic control of the solenoid valve 504, the remote operation and intelligent control of the cut-off housing 502 are realized, reducing the difficulty and frequency of manual operation and improving the production efficiency.
[0021] As Figure 2 shown, a sealing strip 8 is fixedly installed between the gas pipe 10 and the cut-off valve member 5. During the above use process, the use of the sealing strip 8 significantly improves the sealing performance between the gas pipe 10 and the cut-off valve member 5, effectively preventing the gas from leaking from the connection, reducing the safety hazard, and improving the safety of the entire blast furnace gas system.
[0022] As Figure 1 or Figure 2 shown, the detection member 6 is for pressure detection and gas concentration detection. The gas concentration detection device is used to detect the gas concentration in the air. During the above use process, the detection member 6 can monitor the gas concentration and pressure changes in the blast furnace body 1 in real time, discover and handle potential safety hazards in time, effectively prevent the occurrence of gas leakage and explosion accidents, and improve the production efficiency.
[0023] As Figure 1 shown, the control terminal box 4 is communicatively connected to the detection member 6, the water level gauge 11, the burner 9, and the cut-off valve member 5. During the above use process, the control terminal box 4 can monitor the key parameters in the blast furnace production process in real time, discover and handle potential safety hazards in time, effectively prevent the occurrence of accidents such as gas leakage, explosion, and abnormal water level, and improve the safety of blast furnace production.
[0024] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A blast furnace gas leakage detection device, comprising a blast furnace body (1), characterized in that: An inner chamber (3) is fixedly installed in the blast furnace body (1), a steam outlet pipe (2) is fixedly installed at the top of the inner chamber (3), a detection component (6) is fixedly installed on one side of the upper end of the blast furnace body (1), an alarm (7) is fixedly installed on one side of the detection component (6), a control terminal box (4) is fixedly installed on one side of the bottom of the blast furnace body (1), a water level gauge (11) is fixedly installed in the middle of the side wall of the blast furnace body (1), a gas pipe (10) is installed through the bottom of the blast furnace body (1), a burner (9) is fixedly installed at the inner end of the gas pipe (10), and a cut-off valve (11) is fixedly installed at the outer end of the gas pipe (10). The shut-off valve component (5) comprises a connecting pipe (501), a shut-off housing (502), a valve core (503), a solenoid valve (504) and a delivery pipe (505); the connecting pipe (501) is bolted to the gas pipe (10); one end of the shut-off housing (502) is fixedly connected to the connecting pipe (501) and the other end is fixedly connected to the delivery pipe (505); the valve core (503) is rotatably mounted inside the shut-off housing (502); the solenoid valve (504) is fixedly mounted on the peripheral side of the shut-off housing (502); and the output end of the solenoid valve (504) is fixedly mounted to the valve core (503).
2. A blast furnace gas leakage detection device according to claim 1, characterized in that: A sealing strip (8) is fixedly installed between the gas pipe (10) and the cut-off valve member (5).
3. The blast furnace gas leakage detection device according to claim 1, characterized in that: The detection element (6) is used for pressure detection and gas concentration detection, and the gas concentration detection device is used for detecting the gas concentration in the air.
4. The blast furnace gas leakage detection device according to claim 1, characterized in that: The control terminal box (4) is communicatively connected with the detection component (6), the water level meter (11), the burner (9) and the shutoff valve component (5).