Natural gas metering control device for smelting furnace
By introducing metering control devices with pressure regulators, flowmeters and pressure gauges into the smelting furnace, the problem of difficult natural gas consumption is solved, efficient, precise use and cost reduction of natural gas are achieved, and the stability and safety of the device are improved.
Patent Information
- Application Number
- CN202422450052.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-10-11
AI Technical Summary
The existing smelting furnaces cannot measure and control the delivered natural gas, resulting in an increase in production costs and it is difficult to accurately and effectively control and adjust the natural gas usage, which cannot meet the actual use needs.
A natural gas metering control device for smelting furnaces is adopted, including a pressure regulator, a flowmeter and a pressure gauge. The pressure regulator automatically adjusts the natural gas outlet pressure, the flowmeter accurately measures the flow rate, and the pressure gauge monitors the pressure to achieve accurate control of the natural gas flow rate and pressure.
It realizes efficient and precise use of natural gas, reduces production costs, improves the stability and safety of the device, and meets actual use needs.
Smart Images

Figure CN223123396U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of natural gas melting furnaces, in particular to a natural gas metering and control device for a melting furnace. Background Art
[0002] A melting furnace refers to a device that melts metal ingots and some waste metals and adds necessary alloy components, and melts them into the required alloy through operations such as slag skimming and refining. According to different heating energy sources, melting furnaces can be divided into two types: fuel heating type and electric heating type.
[0003] When the existing melting furnace is in use, natural gas is usually transported as the heating energy source to melt waste metals. However, the existing melting furnace cannot meter and control the transported natural gas, resulting in increased production costs, making it difficult to accurately and effectively control and adjust the consumption of natural gas, and unable to meet the actual use requirements. Content of the Utility Model
[0004] The purpose of the utility model is to solve the problem in the existing technology that the transported natural gas cannot be metered and controlled, resulting in increased production costs, making it difficult to accurately and effectively control and adjust the consumption of natural gas, and unable to meet the actual use requirements, and to propose a natural gas metering and control device for a melting furnace.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A natural gas metering and control device for a melting furnace includes a melting furnace body and a gas pipeline. One end of the gas pipeline is provided with a pressure regulator, one end of the pressure regulator is provided with a connecting pipe, one end of the connecting pipe is provided with a flow meter, one end of the flow meter is provided with an intake pipe, and a first pressure gauge is arranged at the top of the intake pipe. Flange connection components are arranged at both ends of the pressure regulator and the flow meter. The pressure regulator is connected to the gas pipeline and the connecting pipe respectively through the flange connection components, and the flow meter is connected to the connecting pipe and the intake pipe respectively through the flange connection components.
[0006] Preferably, an arc-shaped support plate is arranged at the bottom of the connecting pipe, a base is arranged at the bottom of the arc-shaped support plate, and a support frame is arranged at the bottom of the base.
[0007] Preferably, two fastening bolts are installed at the bottom of one end of the support frame, and two screw holes are formed through the other end of the support frame.
[0008] Preferably, the flange connection component includes two flange plates, a sealing gasket is arranged between the two flange plates, a plurality of connecting bolts are arranged on one side of a single flange plate, a plurality of nuts are arranged on one side of the other flange plate, and one end of the connecting bolt movably penetrates through the two flange plates and the sealing gasket to be connected with the nut.
[0009] Preferably, a second pressure gauge is provided at the top of the gas transmission pipe, and the second pressure gauge is provided on one side of the pressure regulator.
[0010] Preferably, one end of the gas inlet pipe is connected with a control valve, and the control valve is arranged on one side of the melting furnace body.
[0011] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.
[0012] 1. In the present utility model, the outlet pressure of natural gas can be automatically adjusted by the pressure regulator to keep it within a relatively stable range. At the same time, according to the requirements of the melting furnace body, the flow rate of natural gas can be controlled. The flow meter can accurately measure the flow rate of natural gas in the pipeline and continuously monitor the change of the flow rate in the natural gas pipeline. The first pressure gauge can monitor the pressure of natural gas in the pipeline, so as to adjust natural gas according to the materials and production requirements of each melting furnace, use natural gas more efficiently and accurately, reduce production costs, and meet the actual use requirements.
[0013] 2. In the present utility model, the arc-shaped support plate can be attached to the outside of the connecting pipe, and at the same time, the base is used to provide a stable supporting force for the connecting pipe. The support frame can be connected to the maintenance table or the wall, so as to improve the stability of the connecting pipe when transporting natural gas, prevent the conveying pipeline from shaking, and improve the safety of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 FIG. is a three-dimensional structural schematic diagram of a natural gas metering and control device for a melting furnace proposed by the present utility model;
[0015] Figure 2 FIG. is a side view of a natural gas metering and control device for a melting furnace proposed by the present utility model;
[0016] Figure 3 FIG. is a partial structural cross-sectional view of a natural gas metering and control device for a melting furnace proposed by the present utility model;
[0017] Figure 4 FIG. is a partial structural schematic diagram of a natural gas metering and control device for a melting furnace proposed by the present utility model.
[0018] Legend: 1. Melting furnace body; 2. Gas transmission pipe; 3. Pressure regulator; 4. Connecting pipe; 5. Flow meter; 6. Gas inlet pipe; 7. First pressure gauge; 8. Arc-shaped support plate; 9. Base; 10. Support frame; 11. Tightening bolt; 12. Screw hole; 13. Flange; 14. Sealing gasket; 15. Connecting bolt; 16. Nut; 17. Second pressure gauge; 18. Control valve. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0020] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.
[0021] Embodiment 1: As Figures 1-4 shown, the present utility model provides a technical solution: a natural gas metering and control device for a melting furnace, including a melting furnace body 1 and a gas pipeline 2. One end of the gas pipeline 2 is provided with a pressure regulator 3. One end of the pressure regulator 3 is provided with a connecting pipe 4. One end of the connecting pipe 4 is provided with a flow meter 5. One end of the flow meter 5 is provided with an intake pipe 6. The top of the intake pipe 6 is provided with a first pressure gauge 7. Both ends of the pressure regulator 3 and the flow meter 5 are provided with flange connection components. The pressure regulator 3 is connected to the gas pipeline 2 and the connecting pipe 4 respectively through the flange connection components. The flow meter 5 is connected to the connecting pipe 4 and the intake pipe 6 respectively through the flange connection components.
[0022] In this embodiment, the pressure regulator 3 can automatically adjust the outlet pressure of natural gas to keep it within a relatively stable range. At the same time, according to the requirements of the melting furnace body 1, the flow rate of natural gas can be controlled. The flow meter 5 can accurately measure the flow rate of natural gas in the pipeline and continuously monitor the change of the flow rate of natural gas in the pipeline. The first pressure gauge 7 can monitor the pressure of natural gas in the pipeline, so as to adjust natural gas according to the materials and production requirements of each melting furnace, use natural gas more efficiently and accurately, reduce production costs, and meet the actual use requirements.
[0023] Embodiment 2: As Figures 1-4As shown, an arc-shaped support plate 8 is provided at the bottom of the connecting pipe 4, a base 9 is provided at the bottom of the arc-shaped support plate 8, a support frame 10 is provided at the bottom of the base 9, two fastening bolts 11 are installed at the bottom of one end of the support frame 10, and two screw holes 12 are formed through the other end of the support frame 10. The flange connection assembly includes two flange plates 13, a gasket 14 is provided between the two flange plates 13, a plurality of connecting bolts 15 are provided on one side of a single flange plate 13, and a plurality of nuts 16 are provided on one side of the other flange plate 13. One end of the connecting bolt 15 movably passes through the two flange plates 13 and the gasket 14 and is connected to the nut 16. A second pressure gauge 17 is provided at the top of the gas transmission pipe 2, and the second pressure gauge 17 is provided on one side of the pressure regulator 3. One end of the gas inlet pipe 6 is connected to a control valve 18, and the control valve 18 is provided on one side of the smelting furnace body 1.
[0024] In this embodiment, the arc-shaped support plate 8 can be attached to the outside of the connecting pipe 4, and at the same time, in cooperation with the base 9, it provides a stable supporting force for the connecting pipe 4. The support frame 10 can be connected to the maintenance table or the wall, so as to improve the stability of the connecting pipe 4 during the transportation of natural gas, prevent the transportation pipeline from shaking, and improve the safety of the device during use. The fastening bolts 11 can strengthen the connection strength between the base 9 and the support frame 10, and at the same time facilitate disassembly and maintenance. The screw holes 12 can be used to fix the support frame 10 with reinforcement bolts. The connecting bolts 15 and the nuts 16 cooperate with the two flange plates 13 to fixedly connect the two ends of the pressure regulator 3 and the flowmeter 5 to different sections of the transportation pipeline respectively. At the same time, the gasket 14 can enhance the sealing effect and prevent natural gas from leaking. The second pressure gauge 17 can monitor the pressure of the natural gas transported into the gas transmission pipe 2, thereby improving the safety of the device during use. The control valve 18 can control the on-off of the natural gas transportation pipeline.
[0025] The working principle of this embodiment: During use, first connect the gas transmission pipe 2 to the natural gas transmission equipment and open the control valve 18. Then, according to the use requirements of the smelting furnace body 1, use the pressure regulator 3 to control the transportation volume of natural gas, and at the same time use the flowmeter 5 to continuously monitor the natural gas flow rate, so as to accurately measure and adjust the usage amount of natural gas. Finally, insert the reinforcement bolts into the screw holes 12 to fix the support frame 10 on the maintenance table or the wall, so that the arc-shaped support plate 8 cooperates with the base 9 to support the connecting pipe 4, thereby improving the stability of the device during use, and thus completing the use of the natural gas metering and control device for the smelting furnace.
[0026] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A natural gas metering and control device for a smelting furnace, comprising a smelting furnace body (1) and a gas pipeline (2), characterized in that: One end of the gas transmission pipe (2) is provided with a pressure regulator (3), one end of the pressure regulator (3) is provided with a connecting pipe (4), one end of the connecting pipe (4) is provided with a flow meter (5), one end of the flow meter (5) is provided with an air inlet pipe (6), the top of the air inlet pipe (6) is provided with a first pressure gauge (7), both ends of the pressure regulator (3) and the flow meter (5) are provided with flange connection components, the pressure regulator (3) is connected to the gas transmission pipe (2) and the connecting pipe (4) respectively through the flange connection components, and the flow meter (5) is connected to the connecting pipe (4) and the air inlet pipe (6) respectively through the flange connection components.
2. The natural gas metering and control device for a smelting furnace according to claim 1, wherein: The bottom of the connecting pipe (4) is provided with an arc-shaped support plate (8), the bottom of the arc-shaped support plate (8) is provided with a base (9), and the bottom of the base (9) is provided with a support frame (10).
3. The natural gas metering and control device for a smelting furnace according to claim 2, characterized in that: Two fastening bolts (11) are installed at the bottom of one end of the support frame (10), and two screw holes (12) are formed through the other end of the support frame (10).
4. The natural gas metering and control device for a smelting furnace according to claim 1, wherein: The flange connection component includes two flange plates (13), a gasket (14) is arranged between the two flange plates (13), a plurality of connecting bolts (15) are arranged on one side of a single flange plate (13), a plurality of nuts (16) are arranged on one side of the other flange plate (13), and one end of the connecting bolt (15) movably penetrates through the two flange plates (13) and the gasket (14) to be connected with the nut (16).
5. The natural gas metering and control device for a smelting furnace according to claim 1, characterized in that: A second pressure gauge (17) is arranged on the top of the gas transmission pipe (2), and the second pressure gauge (17) is arranged on one side of the pressure regulator (3).
6. The natural gas metering and control device for the smelting furnace according to claim 1, characterized in that: One end of the air inlet pipe (6) is connected with a control valve (18), and the control valve (18) is arranged on one side of the smelting furnace body (1).