CN216924422U - Blast furnace gas ignition integration ignition - Google Patents
Blast furnace gas ignition integration ignition Download PDFInfo
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- CN216924422U CN216924422U CN202122732609.6U CN202122732609U CN216924422U CN 216924422 U CN216924422 U CN 216924422U CN 202122732609 U CN202122732609 U CN 202122732609U CN 216924422 U CN216924422 U CN 216924422U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model belongs to the technical field of blast furnace gas iron-making equipment, and particularly relates to a blast furnace gas ignition integrated ignition device. This blast furnace gas ignition integration ignition, blast furnace gas burning operation has been reached, gas valve subassembly automatically regulated combustible gas flow's volume and pressure through combustible gas intake pipe, simultaneously carry out automatically regulated air inflow's volume and pressure through air valve subassembly, high temperature resistant igniter ignites and controls combustible gas burning, drive heater wire preheats the inside gas of combustible gas intake pipe and air circuit intake pipe before the operation, the temperature of igniteing is greater than temperature sensor and sets for the ignition temperature, drive inside blast furnace gas burning, thereby flame combustion stability has been reached, a key easy operation, can use the lighter of the lower some of ignition capacity relatively, it is high to avoid current lighter cost, cause the cost to increase.
Description
Technical Field
The utility model relates to the technical field of blast furnace gas iron-making equipment, in particular to a blast furnace gas ignition integrated ignition device.
Background
Blast furnace gas is a byproduct generated in an iron making process, mainly comprises CO, CO2, N2, H2, CH4 and the like, and is also a low-calorific-value gas fuel. Blast furnace gas with low heat value is not easy to burn, and a specific igniter is needed for ignition operation during burning, and an ordinary igniter cannot ignite gas fuel inside, so that the requirement on the igniter is high, and the blast furnace gas is not easy to ignite and burn to cause unstable burning flame, so that the blast furnace gas ignition integrated ignition device is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a blast furnace gas ignition integrated ignition device based on the technical problems that the existing blast furnace gas is difficult to ignite, unstable in combustion and high in requirement on an igniter.
The utility model provides a blast furnace gas ignition integrated ignition device, which comprises a combustion furnace, wherein a combustible gas inlet pipe is fixedly connected to the bottom of the combustion furnace, the combustible gas inlet pipe is provided with a gas valve component, the surface of one side of the top end of the combustible gas inlet pipe is fixedly connected with an air loop inlet pipe, the air loop inlet pipe is provided with an air valve component, the inner bottom wall of the combustion furnace is fixedly communicated with the top of the combustible gas inlet pipe, the top end of the combustible gas inlet pipe is provided with an ignition mechanism, the ignition mechanism is positioned at the inner bottom of the combustion furnace, the combustible gas inlet pipe and the air loop inlet pipe are both provided with preheating mechanisms, each preheating mechanism comprises a preheating winding pipe, and the circular arcs of the preheating winding pipes are respectively connected with the combustible gas inlet pipe and the air loop inlet pipe in a winding manner.
Preferably, the gas valve assembly consists of a first butterfly valve, a first check valve, a pressure regulator, a stop valve and a first ball valve, wherein the first butterfly valve, the first check valve, the pressure regulator, the stop valve and the first ball valve are all fixedly communicated with a combustible gas inlet pipe;
through above-mentioned technical scheme, the inflammable gas that has reached the inside entering of inflammable gas intake pipe can control gaseous anti-reflux, atmospheric pressure is adjustable, gaseous effect of cutting off and closing, and the suggestion control operation of being convenient for embodies intelligent operation height.
Preferably, the air valve assembly consists of a second butterfly valve, a second check valve, a regulating valve and a needle valve, the second butterfly valve, the second check valve, the regulating valve and the needle valve are all fixedly communicated with the air inlet pipe of the air loop, the second butterfly valve is positioned above the second check valve, the second check valve is positioned above the regulating valve, and the regulating valve is positioned above the needle valve;
through above-mentioned technical scheme, the effect that the inside air that gets into of air return intake pipe prevents that backward flow, the pressure that the air flows is adjustable and the volume that the air flows is adjustable has been reached, the one-touch operation of being convenient for, and intelligent operation is high.
Preferably, one end of the air inlet pipe of the air loop is fixedly connected with an air inlet box, an air suction fan is fixedly installed inside the air inlet box, one end of the air inlet box is fixedly communicated with an air inlet cover, and the surface of the air inlet cover is in a funnel shape;
through above-mentioned technical scheme, the inside that has reached the inlet box sets up the fan of breathing in and is convenient for the fan work of breathing in and carry out the effect that the air flow flows fast, strengthens the speed that the air flowed in to and the setting of air inlet cover is convenient for the air and collects the effect that flows.
Preferably, the ignition mechanism is composed of a high temperature resistant igniter, a heat resistant steel shield, a flame detector and a temperature sensor, the high temperature resistant igniter is fixedly installed with the inner wall of the top end of the inflammable gas inlet pipe, the heat resistant steel shield is fixedly installed with the inner bottom wall of the combustion furnace, the high temperature resistant igniter is positioned in the heat resistant steel shield, the flame detector is fixedly installed with one side of the heat resistant steel shield, and the temperature sensor is fixedly installed with the inner wall of one side of the combustion furnace;
through above-mentioned technical scheme, it lights inflammable gas and carries out the work of burning to have reached high temperature resistant point firearm, the effect of heat-resisting protection is carried out through heat-resisting steel guard shield, and the flame detector carries out the flame of real-time supervision burning, temperature sensor carries out the temperature of real-time supervision inside burning, when the temperature of inside burning reached the temperature that temperature sensor set for, drive the effect of burning the inside blast furnace gas burning of burning furnace, when inside flame sensor did not detect flame burning, the inflammable gas that the automatic control trip valve closed the entering, make it the equipment shutdown.
Preferably, the top of the combustion furnace is fixedly communicated with a hot gas outlet pipe, the hot gas outlet pipe is fixedly provided with a valve, two ends of the preheating winding pipe are fixedly communicated with two sides of the hot gas outlet pipe, and a heating wire is arranged inside the bottom end of the preheating winding pipe in a winding manner;
through the technical scheme, control flap closes, the heat that produces when firing the inside combustible gas burning of burning furnace, flow the gas of the internal gas intake pipe of inflammable gas and air return circuit intake pipe and heat through preheating the winding pipe, and drive combustible gas intake pipe and air return circuit intake pipe through the control heater strip when just beginning to burn and carry out the effect of preheating in earlier stage, and the drive heater strip stop heating behind the blast furnace gas burning, the steam flow that utilizes inside burning preheats, the temperature that the combustible gas of the inside burning of the control burning furnace of being convenient for produced reaches temperature sensor settlement temperature fast, conveniently drive blast furnace gas self-combustion's effect.
The beneficial effects of the utility model are as follows:
the gas valve subassembly automatically regulated through the combustible gas intake pipe combusts gaseous mobile volume and pressure, simultaneously carry out automatically regulated air inflow's volume and pressure through air valve subassembly, high temperature resistant point firearm is automatic to be igniteed and control combustible gas burning, drive the heater wire and preheat the inside gas of combustible gas intake pipe and air circuit intake pipe before the operation, the temperature of igniting is greater than temperature sensor and sets for the ignition temperature, drive inside blast furnace gas burning, thereby flame combustion stability has been reached, a key easy operation, can use the some igniters of ignition ability low relatively, it is high to avoid current some firearm cost, cause the cost to increase.
Drawings
FIG. 1 is a schematic structural diagram of a blast furnace gas ignition integrated ignition device;
FIG. 2 is a perspective view of a gas valve assembly structure of a blast furnace gas ignition integrated ignition device;
FIG. 3 is a sectional view of a combustion furnace with an integrated ignition device for blast furnace gas ignition;
fig. 4 is an exploded view of an ignition mechanism of the blast furnace gas ignition integrated ignition device.
In the figure: 1. a combustion furnace; 2. a flammable gas inlet pipe; 3. a gas valve assembly; 31. a first butterfly valve; 32. a first check valve; 33. a voltage regulator; 34. a shut-off valve; 35. a first ball valve; 4. an air circuit intake duct; 5. an air valve assembly; 51. a second butterfly valve; 52. a second check valve; 53. adjusting a valve; 54. a needle valve; 55. an air inlet box; 56. an air suction fan; 57. an air intake hood; 6. an ignition mechanism; 61. a high temperature resistant igniter; 62. a heat resistant steel shield; 63. a flame detector; 64. a temperature sensor; 7. a preheating mechanism; 8. preheating a winding pipe; 81. a hot gas outflow pipe; 82. a valve; 83. a heating wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a blast furnace gas ignition integrated ignition device comprises a combustion furnace 1, wherein the bottom of the combustion furnace 1 is fixedly connected with a combustible gas inlet pipe 2, and a gas valve assembly 3 is arranged on the surface of the combustible gas inlet pipe 2;
the gas valve component 3 is composed of a first butterfly valve 31, a first check valve 32, a pressure regulator 33, a stop valve 34 and a first ball valve 35, the first butterfly valve 31, the first check valve 32, a pressure regulator 33, the stop valve 34 and the first ball valve 35 are all fixedly communicated with the surface of the combustible gas inlet pipe 2, the first butterfly valve 31 is positioned above the first check valve 32, the first check valve 32 is positioned above the pressure regulator 33, the pressure regulator 33 is positioned above the stop valve 34, the stop valve 34 is positioned above the first ball valve 35, and the bottom end of the combustible gas inlet pipe 2 is fixedly communicated with the gas inlet end of the combustible gas;
one side of the top end of the combustible gas inlet pipe 2 is fixedly connected with an air loop inlet pipe 4, the air loop inlet pipe 4 is provided with an air valve assembly 5, and the inner bottom wall of the combustion furnace 1 is fixedly communicated with the top of the combustible gas inlet pipe 2;
the air valve component 5 consists of a second butterfly valve 51, a second check valve 52, a regulating valve 53 and a needle valve 54, wherein the second butterfly valve 51, the second check valve 52, the regulating valve 53 and the needle valve 54 are all fixedly communicated with the air loop air inlet pipe 4, the second butterfly valve 51 is positioned above the second check valve 52, the second check valve 52 is positioned above the regulating valve 53, and the regulating valve 53 is positioned above the needle valve 54, further, the effects of preventing backflow of air entering the air loop air inlet pipe 4, regulating the pressure of air flow and regulating the amount of air flow are achieved, one-click operation is facilitated, and intelligent operation is high;
one end of the air inlet pipe 4 of the air loop is fixedly connected with an air inlet box 55, an air suction fan 56 is fixedly installed inside the air inlet box 55, one end of the air inlet box 55 is fixedly communicated with an air inlet cover 57, the air inlet cover 57 is funnel-shaped, and further, the effect that the air suction fan 56 is arranged inside the air inlet box 55 to facilitate the air suction fan 56 to work and quickly draw air to flow is achieved, the air inflow speed is increased, and the air inlet cover 57 is arranged to facilitate the air collection and flow;
the top end of the inflammable gas inlet pipe 2 is provided with an ignition mechanism 6, the ignition mechanism 6 is positioned at the inner bottom of the combustion furnace 1, the inflammable gas inlet pipe 2 and the air loop inlet pipe 4 are both provided with a preheating mechanism 7, the preheating mechanism 7 comprises a preheating winding pipe 8, and the arc surface of the preheating winding pipe 8 is respectively connected with the inflammable gas inlet pipe 2 and the air loop inlet pipe 4 in a winding manner;
the ignition mechanism 6 is composed of a high temperature resistant igniter 61, a heat resistant steel shield 62, a flame detector 63 and a temperature sensor 64, the high temperature resistant igniter 61 is fixedly installed with the top end inner wall of the inflammable gas inlet pipe 2, the heat resistant steel shield 62 is fixedly installed with the inner bottom wall of the combustion furnace 1, the high temperature igniter is positioned in the heat resistant steel shield 62, the flame detector 63 is fixedly installed with one side surface of the heat resistant steel shield 62, the temperature sensor 64 is fixedly installed with one side inner wall of the combustion furnace 1, further, the effect that the high temperature resistant igniter 61 ignites the inflammable gas to perform combustion work, the heat resistant protection is performed through the heat resistant steel shield 62, the flame detector 63 performs real-time monitoring of the burning flame, the temperature sensor 64 performs real-time monitoring of the internal burning temperature, and when the internal burning temperature reaches the temperature set by the temperature sensor 64, the effect of driving the blast furnace gas inside the combustion furnace 1 is performed, when the flame sensor in the combustion furnace does not detect the flame combustion, the automatic control stop valve 34 closes the entering combustible gas to stop the operation of the equipment, the combustible point of the blast furnace gas is above 700 ℃, and when the combustion temperature of the combustible gas in the combustion furnace reaches above 700 ℃ set by the temperature sensor, the blast furnace gas is automatically combusted;
the top of the combustion furnace 1 is fixedly communicated with a hot gas outflow pipe 81, a valve 82 is fixedly installed on the hot gas outflow pipe 81, two ends of the preheating winding pipe 8 are fixedly communicated with two sides of the hot gas outflow pipe 81, a heating wire 83 is arranged inside the bottom winding of the preheating winding pipe 8, further, the control valve 82 is closed, heat generated when combustible gas in the combustion furnace 1 is combusted can heat the gas in the combustible gas inlet pipe 2 and the air loop inlet pipe 4 through the flowing of the preheating winding pipe 8, and can drive the combustible gas inlet pipe 2 and the air loop inlet pipe 4 to preheat in the early stage through controlling the heating wire 83 to heat when the combustion is just started, and the heating wire 83 is driven to stop heating after the combustion of blast furnace gas, so that the temperature generated by the combustible gas in the combustion furnace 1 can be controlled to quickly reach the set temperature of the temperature sensor 64 by utilizing the flowing preheating of hot gas in the internal combustion, the automatic combustion of blast furnace gas is conveniently driven.
The gas valve subassembly 3 automatic adjustment combustible gas through combustible gas intake pipe 2 flows volume and pressure, simultaneously carry out the volume and the pressure that the automatically regulated air flowed in through air valve subassembly 5, high temperature resistant point firearm 61 autoignition and control combustible gas burning, drive heater strip 83 preheats the gas of combustible gas intake pipe 2 and air return circuit intake pipe 4 inside before the operation, the temperature of igniting is greater than temperature sensor 64 and sets for the ignition temperature, drive inside blast furnace gas burning, thereby flame combustion stability has been reached, a key easy operation, can use the some igniters of ignition ability low relatively, it is high to avoid current some igniters cost, cause cost increase.
The working principle is as follows: blast furnace gas burning operation, through combustible gas intake pipe 2 gas valve component 3 automatically regulated combustible gas flow's volume and pressure, simultaneously carry out automatically regulated air inflow's volume and pressure through air valve component 5, the burning of the high temperature resistant point firearm 61 control combustible gas is being lighted automatically, drive heater strip 83 preheats the gas of the inside entering of combustible gas intake pipe 2 and air return circuit intake pipe 4 before the operation, the temperature of firing when igniteing is greater than temperature sensor 64 and sets for ignition temperature, drive inside blast furnace gas burning.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A blast furnace gas ignition integrated ignition device comprises a combustion furnace (1), and is characterized in that: the combustion furnace is characterized in that a combustible gas inlet pipe (2) is fixedly connected to the bottom of the combustion furnace (1), a gas valve assembly (3) is arranged in the combustible gas inlet pipe (2), an air loop inlet pipe (4) is fixedly connected to one side of the top end of the combustible gas inlet pipe (2), an air valve assembly (5) is arranged in the air loop inlet pipe (4), the inner bottom wall of the combustion furnace (1) is fixedly communicated with the top of the combustible gas inlet pipe (2), an ignition mechanism (6) is arranged at the top end of the combustible gas inlet pipe (2), the ignition mechanism (6) is located at the inner bottom of the combustion furnace (1), the combustible gas inlet pipe (2) and the air loop inlet pipe (4) are both provided with a preheating mechanism (7), the preheating mechanism (7) comprises a preheating winding pipe (8), and the arc surface of the preheating winding pipe (8) is respectively wound and connected with the combustible gas inlet pipe (2) and the air loop inlet pipe (4).
2. The blast furnace gas ignition integrated ignition device according to claim 1, characterized in that: gas valve subassembly (3) comprises first butterfly valve (31), first check valve (32), voltage regulator (33), trip valve (34) and first ball valve (35), first butterfly valve (31), first check valve (32), voltage regulator (33), trip valve (34) and first ball valve (35) all with combustible gas intake pipe (2) fixed intercommunication, first butterfly valve (31) are located the top of first check valve (32), first check valve (32) are located the top of voltage regulator (33), voltage regulator (33) are located the top of trip valve (34), trip valve (34) are located the top of first ball valve (35), the bottom of combustible gas intake pipe (2) and the fixed intercommunication of combustible gas's intake end.
3. The blast furnace gas ignition integrated ignition device according to claim 1, characterized in that: air valve subassembly (5) comprise second butterfly valve (51), second check valve (52), governing valve (53) and needle valve (54), second butterfly valve (51), second check valve (52), governing valve (53) and needle valve (54) all with air circuit intake pipe (4) fixed intercommunication, second butterfly valve (51) are located the top of second check valve (52), second check valve (52) are located the top of governing valve (53), governing valve (53) are located the top of needle valve (54).
4. The integrated blast furnace gas ignition device according to claim 3, wherein: one end fixedly connected with air inlet box (55) of air return intake pipe (4), the inside fixed mounting of air inlet box (55) has suction fan (56), the fixed intercommunication of one end of air inlet box (55) has air inlet cover (57), air inlet cover (57) are the funnel shape.
5. The blast furnace gas ignition integrated ignition device according to claim 1, characterized in that: the ignition mechanism (6) comprises a high-temperature-resistant igniter (61), a heat-resistant steel shield (62), a flame detector (63) and a temperature sensor (64), wherein the high-temperature-resistant igniter (61) is fixedly installed on the inner wall of the top end of the inflammable gas inlet pipe (2), the heat-resistant steel shield (62) is fixedly installed on the inner bottom wall of the combustion furnace (1), the high-temperature-resistant igniter (61) is located inside the heat-resistant steel shield (62), the flame detector (63) is fixedly installed on the surface of one side of the heat-resistant steel shield (62), and the temperature sensor (64) is fixedly installed on the inner wall of one side of the combustion furnace (1).
6. The blast furnace gas ignition integrated ignition device according to claim 1, characterized in that: the top of the combustion furnace (1) is fixedly communicated with a hot gas outflow pipe (81), a valve (82) is fixedly installed on the hot gas outflow pipe (81), two ends of the preheating winding pipe (8) are fixedly communicated with opposite surfaces of two sides of the hot gas outflow pipe (81), and a heating wire (83) is arranged inside the bottom winding of the preheating winding pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122732609.6U CN216924422U (en) | 2021-11-09 | 2021-11-09 | Blast furnace gas ignition integration ignition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122732609.6U CN216924422U (en) | 2021-11-09 | 2021-11-09 | Blast furnace gas ignition integration ignition |
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| CN216924422U true CN216924422U (en) | 2022-07-08 |
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| CN202122732609.6U Active CN216924422U (en) | 2021-11-09 | 2021-11-09 | Blast furnace gas ignition integration ignition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682026A (en) * | 2022-10-31 | 2023-02-03 | 山东莱钢永锋钢铁有限公司 | Pneumatic ignition structure suitable for blast furnace coal |
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2021
- 2021-11-09 CN CN202122732609.6U patent/CN216924422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682026A (en) * | 2022-10-31 | 2023-02-03 | 山东莱钢永锋钢铁有限公司 | Pneumatic ignition structure suitable for blast furnace coal |
| CN115682026B (en) * | 2022-10-31 | 2023-07-25 | 山东莱钢永锋钢铁有限公司 | Pneumatic ignition structure suitable for blast furnace coal |
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