Low-cost gas tail end diffusion ignition operation device

Abstract

The utility model provides a low-cost gas tail end diffusion ignition operation device, which relates to the field of blast furnace gas diffusion and comprises an open fire diffusion tower, a combustion mechanism for combusting blast furnace gas is arranged at the top of the open fire diffusion tower, and a cleaning assembly for cleaning the combustion mechanism is arranged outside the open fire diffusion tower. According to the utility model, the combustion mechanism is arranged, so that the effects of easy extinguishing of diffused high-height fire, easy extinguishing of coal gas high-flow-speed fire and high continuous ignition cost are realized, and in the combustion mechanism, water and carbon dioxide can be generated by igniting and combusting blast furnace coal gas, so that the pollution to the environment is reduced; the problems that in the prior art, diffused high-height fire is easy to extinguish, coal gas high-flow-speed fire is easy to extinguish, and continuous ignition cost is high are solved.

Description

Technical Field

[0001] The utility model relates to the field of blast furnace gas emission, in particular to a low-cost gas terminal emission ignition operation device. Background Art

[0002] The main components of blast furnace gas are: carbon monoxide, carbon dioxide, nitrogen, hydrogen, methane, etc., of which carbon monoxide accounts for about 25%, carbon dioxide and nitrogen account for about 15% and 55% respectively, and the content of hydrogen and methane is small. When there is surplus gas in production, it will be discharged into the air through release, causing pollution to the atmosphere and harm to the human body. The carbon monoxide and hydrogen in blast furnace gas will emit water and carbon dioxide after combustion, and the gas is released and ignited at the end.

[0003] After searching, in the prior art, a Chinese patent with patent announcement number CN210921439U discloses "a gas dispersion ignition torch, including a dispersion pipe, a flame arrester, a valve, an elbow and a support frame. The flame arrester, the valve and the elbow are arranged on the dispersion pipe from top to bottom in sequence, so as to disperse the gas combustion, reduce the direct emission of gas, eliminate the potential safety hazard on the user side, avoid environmental pollution, have a simple structure, reduce the production cost, and facilitate on-site carrying. A single person can complete the installation and dispersion ignition operation of the torch device. The on-site construction operation is convenient, and the convenience and safety of the operation are improved. This utility model is used to make the gas dispersion operation simpler and more convenient", but there are still the following defects: when the device disperses gas, the fire is easy to extinguish at a high dispersion height, the fire is easy to extinguish at a high gas flow rate, and the cost of continuous ignition is high, so it needs to be improved.

[0004] Therefore, we have made improvements to this and proposed a low-cost gas terminal diffusion ignition operation device. Utility Model Content

[0005] The utility model aims to solve the problems of a low-cost gas terminal dispersing ignition operation device that has been in existence, when dispersing gas, the fire is easy to extinguish at a high dispersing height, the fire is easy to extinguish at a high gas flow rate, and the continuous ignition cost is high.

[0006] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0007] A low-cost gas terminal emission ignition operation device is used to improve the above problems.

[0008] The utility model is specifically as follows:

[0009] It comprises an open flame dispersing tower, the top of which is provided with a combustion mechanism for burning blast furnace gas, and the outside of which is provided with a cleaning component for cleaning the combustion mechanism;

[0010] The combustion mechanism includes a gas release pipe, a co-burning pipe, a regulating valve, a manual gate valve, an electric ball valve, a pressure gauge, a combustion pipe, an air inlet baffle and a porous wind protector. The gas release pipe is arranged inside the open flame release tower, the co-burning pipe is arranged inside the gas release pipe, the regulating valve is arranged outside the gas release pipe, the manual gate valve and the electric ball valve are both arranged outside the co-burning pipe, the pressure gauge is arranged outside the co-burning pipe, the combustion pipe is connected and arranged at the top of the co-burning pipe, the air inlet baffle is arranged at the bottom of the combustion pipe, and the porous wind protector is arranged at the top of the combustion pipe.

[0011] As a preferred technical solution of the utility model, the cleaning assembly includes a nitrogen generator and a delivery pipe, the nitrogen generator is bolted to the top of the open flame release tower, the delivery pipe is fixedly connected to the output end of the nitrogen generator, and one end of the delivery pipe is inclined.

[0012] As a preferred technical solution of the utility model, a connecting rod is bolted to the side wall of the open flame dispersion tower, one end of the connecting rod is bolted to an arc plate, and the bottom of the arc plate is bolted to the outer wall of the accompanying burning tube.

[0013] As a preferred technical solution of the utility model, one end of the delivery pipe is connected to a rectangular frame, and a side wall of the rectangular frame is provided with an exhaust groove for increasing the purge area.

[0014] As a preferred technical solution of the utility model, a fixing rod is bolted to the side wall of the open flame dispersion tower, a fixing ring is bolted to the top of the fixing rod, the delivery pipe is located inside the fixing ring, and the inside of the fixing ring is tightly fitted with the outer wall of the delivery pipe.

[0015] As a preferred technical solution of the utility model, a mounting ring is bolted to the top of the open flame dispersion tower, and an igniter is bolted to the top of the mounting ring.

[0016] As a preferred technical solution of the utility model, a thermocouple for monitoring the operation of gas ignition is bolted to the top of the open flame release tower.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the solution of the utility model:

[0019] 1. The combustion mechanism is set up to prevent the fire from being easily extinguished due to high emission height, high gas flow rate, and high continuous ignition cost. In the combustion mechanism, by igniting and burning the blast furnace gas, water and carbon dioxide can be produced, reducing pollution to the environment, and solving the problems of high emission height, high gas flow rate, and high continuous ignition cost in the prior art;

[0020] 2. The cleaning component is set up to achieve the function of purging the combustion mechanism, preventing the combustion mechanism from being affected by external debris and causing abnormal ignition. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of a low-cost gas terminal emission ignition operation device provided by the utility model;

[0022] Figure 2 A left view of the low-cost gas terminal emission ignition operation device provided by the utility model;

[0023] Figure 3 The utility model provides a low-cost gas terminal emission ignition operation device Figure 2 The three-dimensional cross-section view at AA in the middle;

[0024] Figure 4 The utility model provides a low-cost gas terminal emission ignition operation device Figure 3 The enlarged view of point A in the middle;

[0025] Figure 5 The utility model provides a low-cost gas terminal emission ignition operation device Figure 3 Enlarged view of point B in the middle.

[0026] Indicated in the figure:

[0027] 1. Open flame release tower; 2. Combustion mechanism; 3. Cleaning assembly; 4. Connecting rod; 5. Arc plate; 6. Rectangular frame; 7. Exhaust groove; 8. Fixing rod; 9. Fixing ring; 10. Mounting ring; 11. Ignitor; 12. Thermocouple; 201. Gas release pipe; 202. Co-burning pipe; 203. Regulating valve; 204. Manual gate valve; 205. Electric ball valve; 206. Pressure gauge; 207. Combustion pipe; 208. Air inlet baffle; 209. Multi-hole wind shield; 301. Nitrogen generator; 302. Delivery pipe. DETAILED DESCRIPTION

[0028] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0029] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] like Figure 1-5 As shown, this embodiment proposes a low-cost gas terminal dispersing ignition operation device, including an open flame dispersing tower 1, a combustion mechanism 2 for burning blast furnace gas is arranged on the top of the open flame dispersing tower 1, and a cleaning component 3 for cleaning the combustion mechanism 2 is arranged outside the open flame dispersing tower 1;

[0033] The combustion mechanism 2 includes a gas release pipe 201, a combustion pipe 202, a regulating valve 203, a manual gate valve 204, an electric ball valve 205, a pressure gauge 206, a combustion pipe 207, an air inlet baffle 208 and a porous wind shield 209. The gas release pipe 201 is arranged inside the open flame release tower 1, the combustion pipe 202 is arranged inside the gas release pipe 201, the regulating valve 203 is arranged outside the gas release pipe 201, and the manual gate valve 204 and the electric ball valve 205 are both arranged On the outside of the co-firing tube 202, the pressure gauge 206 is arranged on the outside of the co-firing tube 202, the combustion tube 207 is connected and arranged on the top of the co-firing tube 202, the air inlet baffle 208 is arranged at the bottom of the combustion tube 207, and the porous wind protector 209 is arranged on the top of the combustion tube 207. When in use, the blast furnace gas is introduced into the interior of the co-firing tube 202, and then discharged through the porous wind protector 209, and then the blast furnace gas is ignited, thereby generating water and carbon dioxide, thereby reducing pollution to the environment.

[0034] like Figure 3 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the cleaning component 3 includes a nitrogen generator 301 and a delivery pipe 302, the nitrogen generator 301 is bolted to the top of the open flame dispersing tower 1, the delivery pipe 302 is fixedly connected to the output end of the nitrogen generator 301, and one end of the delivery pipe 302 is inclined. When the instantaneous gas flow rate is too high or extreme winds or rainstorms may cause gas terminal extinguishing, when the external monitoring equipment finds that the ignition is abnormal, nitrogen can be generated by the nitrogen generator 301, and secondary ignition can be performed after nitrogen purging to ensure the normal operation of the ignition.

[0035] like Figure 4As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, a connecting rod 4 is bolted to the side wall of the open flame dispersion tower 1, one end of the connecting rod 4 is bolted to an arc plate 5, and the bottom of the arc plate 5 is bolted to the outer wall of the accompanying combustion pipe 202. When the blast furnace gas moves inside the accompanying combustion pipe 202, the action of the connecting rod 4 can reduce the shaking amplitude of the accompanying combustion pipe 202, thereby improving the stability of the blast furnace gas transportation.

[0036] like Figure 5 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, one end of the delivery pipe 302 is connected to a rectangular frame 6, and an exhaust groove 7 for increasing the purge area is opened on the side wall of the rectangular frame 6. When purging through the delivery pipe 302, the rectangular frame 6 can increase the purge area of ​​the delivery pipe 302 and improve the purge effect.

[0037] like Figure 5 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, a fixing rod 8 is bolted on the side wall of the open flame dispersion tower 1, a fixing ring 9 is bolted on the top of the fixing rod 8, and the delivery pipe 302 is located inside the fixing ring 9. The inside of the fixing ring 9 is tightly fitted with the outer wall of the delivery pipe 302. When purged through the nitrogen generator 301, the fixing ring 9 and the fixing rod 8 can improve the stability of the delivery pipe 302.

[0038] like Figure 1 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the top of the open flame dispersion tower 1 is bolted with a mounting ring 10, and the top of the mounting ring 10 is bolted with an igniter 11. By setting the igniter 11, ignition can be conveniently performed to improve the ignition efficiency.

[0039] like Figure 1 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, a thermocouple 12 for monitoring the gas ignition operation is bolted to the top of the open flame dispersion tower 1. By setting the thermocouple 12, the gas terminal ignition operation can be monitored.

[0040] Specifically, when the low-cost gas terminal dispersal ignition operation device is in use: blast furnace gas is injected into the interior of the accompanying combustion pipe 202, the manual gate valve 204 can be manually operated to control the flow rate, and the electric ball valve 205 can be automatically controlled by the electric actuator, so as to achieve the effect of precise control of the gas entering the accompanying combustion pipe 202, and then ignited by the igniter 11, so as to burn the blast furnace gas and reduce pollution to the environment. After the combustion is completed, the waste gas or unnecessary gas in the discharge system is discharged through the gas dispersal pipe 201. When the instantaneous gas flow rate is too high or there is an extreme wind period or heavy rain, the gas terminal ignition device may be extinguished. When the external monitoring equipment finds that the ignition is abnormal, the nitrogen generator 301 can be started at this time, and nitrogen is sprayed out from the output end of the nitrogen generator 301. The pressure and flow of nitrogen are used to blow away the dust and debris on the surface of the porous wind shield 209 and the igniter 11, so as to achieve the purpose of cleaning. After blowing, secondary ignition can be performed to ensure the normal operation of the igniter 11.

[0041] All technical features in this embodiment can be freely combined according to actual needs.

[0042] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A low-cost coal gas terminal dispersing ignition operation device, comprising an open flame dispersing tower (1), characterized in that: A combustion mechanism (2) for burning blast furnace gas is arranged on the top of the open flame dispersing tower (1), and a cleaning component (3) for cleaning the combustion mechanism (2) is arranged outside the open flame dispersing tower (1); The combustion mechanism (2) comprises a gas release pipe (201), a combustion pipe (202), a regulating valve (203), a manual gate valve (204), an electric ball valve (205), a pressure gauge (206), a combustion pipe (207), an air inlet baffle (208) and a porous wind shield (209); the gas release pipe (201) is arranged inside the open flame release tower (1); the combustion pipe (202) is arranged inside the gas release pipe (201); the regulating valve (20 3) is arranged outside the gas dispersing pipe (201), the manual gate valve (204) and the electric ball valve (205) are both arranged outside the accompanying burning pipe (202), the pressure gauge (206) is arranged outside the accompanying burning pipe (202), the combustion pipe (207) is connected and arranged at the top of the accompanying burning pipe (202), the air inlet baffle (208) is arranged at the bottom of the combustion pipe (207), and the porous wind shield (209) is arranged at the top of the combustion pipe (207).

2. A low-cost gas terminal emission ignition operation device according to claim 1, characterized in that: The cleaning assembly (3) comprises a nitrogen generator (301) and a delivery pipe (302), wherein the nitrogen generator (301) is bolted to the top of the open flame release tower (1), and the delivery pipe (302) is fixedly connected to the output end of the nitrogen generator (301), and one end of the delivery pipe (302) is arranged at an angle.

3. A low-cost gas terminal emission ignition operation device according to claim 1, characterized in that: A connecting rod (4) is bolted to the side wall of the open flame dispersion tower (1), an arc-shaped plate (5) is bolted to one end of the connecting rod (4), and the bottom of the arc-shaped plate (5) is bolted to the outer wall of the accompanying combustion tube (202).

4. A low-cost gas terminal emission ignition operation device according to claim 2, characterized in that: One end of the delivery pipe (302) is connected to a rectangular frame (6), and a side wall of the rectangular frame (6) is provided with an exhaust groove (7) for increasing the purge area.

5. A low-cost gas terminal emission ignition operation device according to claim 2, characterized in that: A fixing rod (8) is bolted to the side wall of the open flame dispersion tower (1), a fixing ring (9) is bolted to the top of the fixing rod (8), the delivery pipe (302) is located inside the fixing ring (9), and the inside of the fixing ring (9) is tightly fitted to the outer wall of the delivery pipe (302).

6. A low-cost gas terminal emission ignition operation device according to claim 1, characterized in that: A mounting ring (10) is bolted to the top of the open flame dispersion tower (1), and an igniter (11) is bolted to the top of the mounting ring (10).

7. A low-cost gas terminal emission ignition operation device according to claim 1, characterized in that: A thermocouple (12) for monitoring the operation of gas ignition is bolted to the top of the open flame release tower (1).

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