High-temperature hydrogen-containing and water-containing flare gas combustion treatment device in metallurgical industry
By designing the high-temperature hydrogen-containing water-containing torch gas combustion treatment device in the metallurgy industry, and using the special design of eternal lamps and burners, the direct combustion treatment problem of high-temperature hydrogen-containing water-containing exhaust gas has been solved, achieving a safe, stable and efficient combustion effect.
Patent Information
- Application Number
- CN202421940671.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The high-temperature hydrogen-containing water-containing exhaust exhaust gas in the metallurgical industry is difficult to achieve safe and stable combustion when the water vapor content is unstable, resulting in ignition delay and explosion risk.
A high-temperature hydrogen-containing water-containing torch gas combustion treatment device in the metallurgy industry is designed, including gas mixing pipes, eternal lamps, burners and gas separation chambers. The eternal lamp remains in a normal combustion state, and the burner is equipped with a gas separation chamber and injection hole to ensure the safe, stable and efficient combustion of high-temperature hydrogen-containing exhaust gas.
The direct safety, stability and complete combustion treatment of high-temperature exhaust gas is achieved, which avoids ignition delay and explosion risks, reduces processing costs, and improves the safety factor of process operations.
Smart Images
Figure CN222881165U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flare gas combustion processing devices in the metallurgical industry, in particular to a high-temperature hydrogen- and water-containing flare gas combustion processing device in the metallurgical industry. Background Art
[0002] The flare gas emission temperature in the metallurgical industry is 450℃, and the emission pressure is 0.5MPa. When the device is stable, the exhaust gas contains 58% combustible gas and the remaining 35% is water vapor. In the initial stage of operation, the content of combustible components in the exhaust gas remains basically unchanged, but the water vapor content may increase to 60%. There is currently no similar treatment technology and treatment equipment in China for this high-temperature exhaust gas containing hydrogen and water and with unstable water vapor content.
[0003] Therefore, if the high-temperature hydrogen- and water-containing venting tail gas can be varied within a certain range of water vapor content, the safe and stable combustion of the venting tail gas can be guaranteed, which will solve the technical problems that have plagued the metallurgical industry for many years. To this end, we propose a high-temperature hydrogen- and water-containing flare gas combustion treatment device for the metallurgical industry. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a high-temperature hydrogen-containing and water-containing flare gas combustion treatment device for the metallurgical industry. The ever-burning lamp remains in a normal burning state, which can ensure that the high-temperature hydrogen-containing and water-containing waste gas can be ignited by the ever-burning lamp at any time when it is discharged, avoiding ignition delay and explosion. In addition, the burner is provided with a gas chamber and a burner jet hole to ensure the safe, stable and efficient combustion of the high-temperature hydrogen-containing waste gas, which can effectively solve the problems in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature hydrogen-containing and water-containing flare gas combustion treatment device for the metallurgical industry, comprising a gas mixing pipe and a permanent lamp;
[0006] Mixing pipe: The lower end of the mixing pipe is provided with an air distribution device, the right side of the mixing pipe is provided with an air collecting pipe through a mounting plate, the upper end of the air collecting pipe is provided with a burner, and the upper end of the burner is provided with evenly distributed burner injection holes;
[0007] Ever-burning lamp: It is set at the upper end of the mixing pipe. The ever-burning lamp keeps in a normal burning state, which can ensure that the ever-burning lamp can be ignited at any time when the high-temperature hydrogen-containing and water-containing exhaust gas is discharged, avoiding the explosion caused by ignition delay. In addition, the burner is provided with a gas chamber and a burner jet hole to ensure the safe, stable and efficient combustion of the high-temperature hydrogen-containing exhaust gas.
[0008] Furthermore, it also includes an ignition device, which is arranged at the lower end of the ever-burning lamp, and the input end of the ignition device is electrically connected to the output end of the external control room to facilitate the ignition work.
[0009] Furthermore, a thermocouple is provided on the left side of the outer surface of the mixing pipe, and the input end of the thermocouple is electrically connected to the output end of the external control room, so that the temperature change can be monitored in real time.
[0010] Furthermore, it also includes a gas distribution cavity, which is evenly opened inside the burner, and the burner injection holes are connected to the inside of the gas distribution cavity, which improves the stability and rigidity of the combustion flame, does not flame out, does not smolder, and can achieve complete and sufficient combustion of the exhaust gas.
[0011] Furthermore, a Venturi tube is provided inside the air distribution device, which can self-absorb surrounding air through the Venturi principle.
[0012] Compared with the prior art, the beneficial effects of the utility model are: the high-temperature hydrogen-containing and water-containing flare gas combustion treatment device in the metallurgical industry has the following advantages:
[0013] 1. During the working process, the long-burning lamp is kept in a normal burning state, and the high-temperature hydrogen- and water-containing exhaust gas discharged can be ignited at any time to avoid flash explosion.
[0014] 2. During the working process, the special design of the burner improves the stability and rigidity of the combustion flame, without flameout or smoldering, and can achieve complete and sufficient combustion of the exhaust gas.
[0015] 3. It solves the industry problem of direct combustion treatment of high-temperature hydrogen-containing and water-containing exhaust gas in the metallurgical industry, realizes the direct combustion treatment of high-temperature exhaust gas without taking cooling measures, reduces the cost of exhaust gas treatment, and improves the safety factor of process operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model.
[0017] In the figure: 1 air distribution device, 2 gas mixing pipe, 3 ignition device, 4 thermocouple, 5 ever-burning lamp, 6 gas collecting pipe, 7 gas dividing cavity, 8 burner injection hole; DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1 , This embodiment provides a technical solution: A high-temperature hydrogen-containing and water-containing flare gas combustion treatment device for the metallurgical industry includes a gas mixing pipe 2 and a long-burning lamp 5;
[0020] Mixing pipe 2: The lower end thereof is provided with an air distribution device 1 for performing air distribution work, thereby improving the stability of combustion. The right side of the mixing pipe 2 is provided with an air collecting pipe 6 through a mounting plate, and the upper end of the air collecting pipe 6 is provided with a burner, and the upper end of the burner is provided with evenly distributed burner injection holes 8, and the evenly distributed burner injection holes 8 ensure that the exhaust gas is completely and fully burned. It also includes a gas distribution cavity 7, which is evenly opened inside the burner, and the burner injection holes 8 are all connected with the inside of the gas distribution cavity 7, thereby improving the stability and rigidity of the combustion flame, preventing flame failure and smoldering, and achieving complete and sufficient combustion of the exhaust gas. A Venturi tube is provided inside the air distribution device 1, which can self-absorb the surrounding air through the Venturi principle;
[0021] A long-burning lamp 5: It is arranged at the upper end of the mixing pipe 2, and also includes an ignition device 3. The ignition device 3 is arranged at the lower end of the long-burning lamp 5. The input end of the ignition device 3 is electrically connected to the output end of the external control room, which is convenient for ignition. A thermocouple 4 is arranged on the left side of the outer surface of the mixing pipe 2. The input end of the thermocouple 4 is electrically connected to the output end of the external control room, which can monitor temperature changes in real time. The long-burning lamp maintains a normal burning state, which can ensure that when the high-temperature hydrogen-containing and water-containing exhaust gas is discharged, it can be ignited by the long-burning lamp at any time to avoid ignition delay and explosion. In addition, the burner is provided with a gas chamber and a burner jet hole to ensure the safe, stable and efficient combustion of the high-temperature hydrogen-containing exhaust gas.
[0022] The utility model provides a high-temperature hydrogen-containing and water-containing flare gas combustion treatment device for the metallurgical industry, and the working principle is as follows: during the working process, the fuel gas enters the air distribution device 1, the air distribution device 1 uses the Venturi principle to self-absorb the surrounding air, mixes with the fuel gas and enters the mixing pipe 2, and ignites the mixed gas through the ignition device 3 to form a stable wind-resistant flame at the ever-burning lamp 5. The ever-burning lamp 5 is ignited successfully, the thermocouple 4 detects the temperature of the ever-burning lamp 5, and monitors the combustion state of the ever-burning lamp 5 at all times. The high-temperature hydrogen-containing and water-containing exhaust gas enters the gas distribution chamber 7 through the gas collecting pipe 6, and the gas distribution chamber 7 automatically distributes it to the burner injection hole 8 according to the flow rate and pressure of the exhaust gas. The ejected exhaust gas is ready to be ignited by the ever-burning lamp 5 next to it at any time, and maintains continuous and stable combustion, thereby realizing the direct, safe, stable and complete combustion treatment of the high-temperature exhaust gas without taking cooling measures.
[0023] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A high-temperature hydrogen-containing and water-containing flare gas combustion treatment device for the metallurgical industry, characterized in that: It includes a gas mixing tube (2) and a permanent lamp (5); A gas mixing pipe (2): an air distribution device (1) is provided at the lower end thereof, a gas collecting pipe (6) is provided on the right side of the gas mixing pipe (2) through a mounting plate, a burner is provided at the upper end of the gas collecting pipe (6), and burner injection holes (8) are evenly distributed at the upper end of the burner; A permanent lamp (5) is arranged at the upper end of the gas mixing pipe (2); It also comprises an air dividing cavity (7), wherein the air dividing cavity (7) is evenly arranged inside the burner, and the burner injection holes (8) are all connected to the inside of the air dividing cavity (7).
2. A high-temperature hydrogen-containing and water-containing flare gas combustion treatment device for the metallurgical industry according to claim 1, characterized in that: It also includes an ignition device (3), which is arranged at the lower end of the ever-burning lamp (5), and the input end of the ignition device (3) is electrically connected to the output end of the external control room.
3. A high-temperature hydrogen-containing and water-containing flare gas combustion treatment device for the metallurgical industry according to claim 1, characterized in that: A thermocouple (4) is provided on the left side of the outer surface of the gas mixing pipe (2), and the input end of the thermocouple (4) is electrically connected to the output end of the external control chamber.
4. A high-temperature hydrogen-containing and water-containing flare gas combustion treatment device for the metallurgical industry according to claim 1, characterized in that: A Venturi tube is provided inside the air distribution device (1).