CN219385185U - Blast furnace ignition equipment - Google Patents
Blast furnace ignition equipment Download PDFInfo
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- CN219385185U CN219385185U CN202222869980.1U CN202222869980U CN219385185U CN 219385185 U CN219385185 U CN 219385185U CN 202222869980 U CN202222869980 U CN 202222869980U CN 219385185 U CN219385185 U CN 219385185U
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Abstract
The utility model relates to a blast furnace ignition device, which comprises an ignition gun, a valve box, a control box and a movable bracket, wherein a gas channel, a combustion-supporting gas channel and an electronic igniter are arranged in the ignition gun; a gas pipeline with a gas valve and a combustion-supporting gas pipeline with a fuel-supporting valve are arranged in the valve box, the gas pipeline is communicated with a gas channel of the ignition gun through a gas hose, and the combustion-supporting gas pipeline is communicated with a combustion-supporting gas channel of the ignition gun through a combustion-supporting gas hose; a controller is arranged in the control box and is respectively in communication connection with the electronic igniter, the gas valve and the combustion-supporting gas valve; the movable bracket is used for supporting the ignition gun; it can be seen that each valve of above-mentioned blast furnace firing equipment is integrated in the valve box, and the ignition gun passes through the hose and is connected with the air feed pipeline in the valve box, can lighten the ignition gun weight, guarantees the mobility of ignition gun, makes ignition gun small, light in weight, single can carry to facilitate the use, accomodate and artifical transport, make it can be applicable to all grades of blast furnaces.
Description
Technical Field
The utility model relates to the technical field of blast furnace smelting, in particular to blast furnace ignition equipment.
Background
When the blast furnace is overhauled, the residual gas in the furnace top cover needs to be burnt out, so that gas poisoning accidents are avoided when workers enter the furnace for operation. The configuration of the furnace roof ignition device is an important measure for the safe production of the blast furnace.
The conventional ignition gun is generally a trolley type, and a gear motor is adopted to drive a chain wheel or a gear so as to enable the ignition gun to complete gun feeding and gun withdrawing movements. The transmission device of the trolley type ignition device is complex, large in size, heavy in device and inconvenient to install and maintain. The small blast furnace is also conventional manual ignition due to the limitation of the size of the blast furnace platform, and if conventional manual ignition is adopted, normally-known fire sources are not used, so that the problems of safety accidents or difficulty in burning off gas in the furnace are easy to occur.
Therefore, how to improve the blast furnace ignition device so that the blast furnace ignition device is convenient to use, store and manually transport can be applied to blast furnaces of various specifications.
Disclosure of Invention
The utility model aims to provide a blast furnace ignition device which is convenient to use, store and manually transport and can be applied to blast furnaces of various specifications.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a blast furnace firing apparatus comprising:
the ignition gun is internally provided with a fuel gas channel and a combustion-supporting gas channel which extend from the gun tail to the gun head of the ignition gun, and the ignition gun is provided with an electronic igniter for igniting at the gun head position of the ignition gun;
the valve box is internally provided with a gas pipeline and a combustion-supporting gas pipeline, the gas pipeline is provided with a gas valve, the combustion-supporting gas pipeline is provided with a fuel-supporting gas valve, the gas pipeline is communicated with a gas channel of the ignition gun through a gas hose, and the combustion-supporting gas pipeline is communicated with a combustion-supporting gas channel of the ignition gun through a combustion-supporting gas hose;
the control box is internally provided with a controller which is respectively in communication connection with the electronic igniter, the gas valve and the combustion-supporting gas valve;
and the movable bracket is used for supporting the ignition gun.
Optionally, the fuel gas hose and the combustion air hose are both metal hoses.
Optionally, the gas pipeline is further provided with a first manual valve, and the combustion-supporting gas pipeline is further provided with a second manual valve.
Optionally, the control box is provided with ignition button, ignition button with the controller communication connection, the controller receives after the ignition signal that ignition button was pressed the control gas valve and combustion-supporting pneumatic valve is opened, starts simultaneously the electronic igniter.
Optionally, the control box further includes a first adjusting knob and a second adjusting knob, the first adjusting knob and the second adjusting knob are respectively in communication connection with the controller, the controller controls the opening of the gas valve according to the rotation amplitude signal of the first adjusting knob, and the controller controls the opening of the gas valve according to the rotation amplitude signal of the second adjusting knob.
Optionally, the ignition gun further includes a first flow detection device for detecting the flow of the gas in the gas channel and a second flow detection device for detecting the flow of the combustion-supporting gas in the combustion-supporting gas channel, the first flow detection device and the second flow detection device are respectively connected with the controller in a communication manner, and the controller controls the opening of the gas valve and the opening of the combustion-supporting gas valve according to the detection values of the first flow detection device and the second flow detection device so that the flow of the gas in the gas channel and the flow of the combustion-supporting gas in the combustion-supporting gas channel accord with a preset optimal combustion proportion.
Optionally, a mixer is arranged in the ignition gun, an inlet of the mixer is respectively communicated with the fuel gas channel and the combustion-supporting gas channel, and an outlet of the mixer faces the electronic igniter.
Optionally, the ignition gun is provided with a limiting member for cooperation with the movable support to fix the ignition gun.
Optionally, the device further comprises a rest device arranged on the blast furnace top platform, wherein the rest device is used for placing the ignition gun.
Optionally, the shelving device comprises a guardrail arranged on the blast furnace top platform, the guardrail is provided with a plurality of hooks which are arranged at intervals along the length direction of the guardrail, and the ignition gun is matched with each hook to be placed on the shelving device.
According to the technical scheme, the utility model discloses blast furnace ignition equipment, which comprises an ignition gun, a valve box, a control box and a movable bracket, wherein a gas channel and a combustion-supporting gas channel which extend from the gun tail to the gun head of the ignition gun are arranged in the ignition gun, and the ignition gun is provided with an electronic igniter for igniting at the gun head position of the ignition gun; the valve box is internally provided with a gas pipeline and a combustion-supporting gas pipeline, the gas pipeline is provided with a gas valve, the combustion-supporting gas pipeline is provided with a combustion-supporting gas valve, the gas pipeline is communicated with a gas channel of the ignition gun through a gas hose, and the combustion-supporting gas pipeline is communicated with a combustion-supporting gas channel of the ignition gun through a combustion-supporting gas hose; a controller is arranged in the control box and is respectively in communication connection with the electronic igniter, the gas valve and the combustion-supporting gas valve; the movable bracket is used for supporting the ignition gun; when the ignition gun is applied, a manhole cover of an ignition manhole positioned on a blast furnace top cover is opened manually, then a movable bracket is moved to erect the ignition gun at a proper position of a blast furnace top platform, so that a gun head of the ignition gun extends into the blast furnace top cover from the ignition manhole, then an ignition command is sent to a controller manually, the controller opens a gas valve and a combustion-supporting air valve according to the command, an electronic igniter is started, then the ignition gun is fixed on the movable bracket, and personnel is evacuated to a safe position to monitor the combustion condition of ignition flame; after the ignition operation is finished, manually sending a stop instruction to a controller, closing an electronic igniter, a gas valve and a combustion-supporting gas valve by the controller, extracting an ignition gun, and closing an ignition manhole; it can be seen that each valve of the blast furnace ignition device is integrated in the valve box, the ignition gun is connected with the air supply pipeline in the valve box through the hose, the weight of the ignition gun can be reduced, the mobility of the ignition gun is ensured, the ignition gun is small in size and light in weight, and can be carried by a single person, so that the blast furnace ignition device is convenient to use, store and manually carry, and can be suitable for blast furnaces of all levels.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a blast furnace ignition device according to an embodiment of the present utility model;
FIG. 2 is a top view of a blast furnace firing apparatus according to an embodiment of the present utility model when resting;
FIG. 3 is a top view of a blast furnace ignition device according to an embodiment of the present utility model in use;
fig. 4 is a front view of a rest device of a blast furnace ignition apparatus according to an embodiment of the present utility model.
In the figure:
1 is an ignition gun; 101 is an electronic igniter; 2 is a valve box; 201 is a gas pipeline; 202 is a gas valve; 203 is a first manual valve; 204 is a fuel gas pipeline; 205 is a fuel gas valve; 206 is a second manual valve; 3 is a fuel gas hose; 4 is a combustion-supporting gas hose; 5 is a control box; 6 is a movable bracket; 7 is an ignition manhole; 8 is a manhole cover; 9 is a blast furnace top platform; 10 is a hook; 11 is a guardrail.
Detailed Description
The core of the utility model is to provide a blast furnace ignition device, which is designed to be convenient to use, store and manually transport and is applicable to blast furnaces of various specifications.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a blast furnace ignition device according to an embodiment of the present utility model.
The embodiment of the utility model discloses a blast furnace ignition device, which comprises an ignition gun 1, a valve box 2, a control box 5 and a movable bracket 6.
The ignition gun 1 is internally provided with a fuel gas channel and a combustion-supporting gas channel which extend from the gun tail of the ignition gun 1 to the gun head, the ignition gun 1 is provided with an electronic igniter 101 for igniting at the gun head position of the ignition gun 1, the electronic igniter 101 can be arranged in the ignition gun 1 or can be arranged outside the ignition gun 1 as long as the ignition can be realized at the gun head position, in the embodiment of the utility model, the electronic igniter 101 is arranged in the ignition gun 1, and the ignition end of the electronic igniter 101 is positioned in the gun head of the ignition gun 1; a gas pipeline 201 and a combustion-supporting gas pipeline 204 are arranged in the valve box 2, the gas pipeline 201 is connected with a gas supply device, the combustion-supporting gas pipeline 204 is connected with a combustion-supporting gas supply device, the gas is coke oven gas, the combustion-supporting gas is oxygen or air, the gas pipeline 201 is provided with a gas valve 202, the combustion-supporting gas pipeline 204 is provided with a combustion-supporting gas valve 205, the gas pipeline 201 is communicated with a gas channel of the ignition gun 1 through a gas hose 3, and the combustion-supporting gas pipeline 204 is communicated with a combustion-supporting gas channel of the ignition gun 1 through a combustion-supporting gas hose 4 so as to facilitate the movement of the ignition gun 1; a controller is arranged in the control box 5 and is respectively in communication connection with the electronic igniter 101, the gas valve 202 and the combustion air valve 205, and a user can send an instruction to the controller through a key, a knob or a remote control device on the control box 5 so as to control the electronic igniter 101, the gas valve 202 and the combustion air valve 205; the movable bracket 6 is used for supporting the ignition gun 1.
Compared with the prior art, when the blast furnace ignition device provided by the embodiment of the utility model is applied, the manhole cover 8 of the ignition manhole 7 positioned on the blast furnace top cover is firstly opened manually, then the movable bracket 6 is moved to erect the ignition gun 1 at a proper position of the blast furnace top platform 9, so that the gun head of the ignition gun 1 stretches into the blast furnace top cover from the ignition manhole 7, then an ignition command is sent to the controller manually, the controller starts the gas valve 202 and the combustion-supporting gas valve 205 according to the command, the electronic igniter 101 is started, then the ignition gun 1 is fixed on the movable bracket 6, and personnel is evacuated to a safe position to monitor the ignition flame combustion condition; after the ignition operation is finished, manually sending a stop instruction to a controller, closing the electronic igniter 101, the gas valve 202 and the combustion-supporting gas valve 205 by the controller, then extracting the ignition gun 1, and closing the ignition manhole 7; it can be seen that each valve of the blast furnace ignition device is integrated in the valve box 2, and the ignition gun 1 is connected with the air supply pipeline in the valve box 2 through a hose, so that the weight of the ignition gun 1 can be reduced, the mobility of the ignition gun 1 is ensured, the ignition gun 1 is small in size and light in weight, and can be carried by a single person, so that the blast furnace ignition device is convenient to use, store and manually carry, and can be suitable for blast furnaces of all levels.
Preferably, the gas hose 3 and the combustion air hose 4 are both metal hoses.
Further optimizing the above technical solution, the above gas pipeline 201 is further provided with a first manual valve 203, the combustion-supporting gas pipeline 204 is further provided with a second manual valve 206, before ignition, the user needs to manually open the first manual valve 203 and the second manual valve 206, and then inputs an ignition command to the controller.
Specifically, in the embodiment of the present utility model, the control box 5 is provided with an ignition button, the ignition button is in communication connection with the controller, the controller receives an ignition signal that the ignition button is pressed, and then controls the gas valve 202 and the combustion air valve 205 to be opened, and simultaneously starts the electronic igniter 101, so as to realize one-key electronic ignition, and the electronic igniter 101 generates electric sparks at a certain time interval according to a set control program, thereby ensuring that the flame is not easy to extinguish.
Further, the control box 5 further includes a first adjusting knob and a second adjusting knob, the first adjusting knob and the second adjusting knob are respectively in communication connection with the controller, the controller controls the opening of the gas valve 202 according to the rotation amplitude signal of the first adjusting knob, the controller controls the opening of the auxiliary gas valve 205 according to the rotation amplitude signal of the second adjusting knob, and the opening of the gas valve 202 and the opening of the auxiliary gas valve 205 can be adjusted through the first adjusting knob and the second adjusting knob, so that the flow in the gas channel and the flow in the auxiliary gas channel are adjusted, the adjustment of the flame injection length is realized, and the flame injection length is adjustable, so that the flame injection device is suitable for a normally-open ignition scene.
Preferably, in the embodiment of the present utility model, the ignition gun 1 further includes a first flow detecting device for detecting a flow of gas in the gas channel and a second flow detecting device for detecting a flow of combustion-supporting gas in the combustion-supporting gas channel, the first flow detecting device and the second flow detecting device are respectively connected with the controller in a communication manner, the controller controls the opening of the gas valve 202 and the combustion-supporting gas valve 205 according to the detected values of the first flow detecting device and the second flow detecting device so that the flow of gas in the gas channel and the flow of combustion-supporting gas in the combustion-supporting gas channel conform to a preset optimal combustion ratio, and thus when a user adjusts only one of the first adjusting knob and the second adjusting knob to change the opening of one of the gas valve 202 and the combustion-supporting gas valve 205, the controller can control the opening of the other one of the gas valve 202 and the combustion-supporting gas valve 205 to change correspondingly according to the flow changes detected by the first flow detecting device and the second flow detecting device, so that the flow in the gas channel and the combustion-supporting gas channel is kept at the preset optimal combustion ratio, and waste or insufficient combustion is avoided.
In order to fully mix the fuel gas and the combustion-supporting gas for facilitating combustion, in the embodiment of the utility model, a mixer is arranged in the ignition gun 1, the inlet of the mixer is respectively communicated with the fuel gas channel and the combustion-supporting gas channel, the outlet of the mixer faces the electronic igniter 101, and the fuel gas and the combustion-supporting gas flow to the electronic igniter 101 after being mixed in the mixer.
Preferably, in order to ensure the safety of the worker, in the embodiment of the present utility model, the ignition gun 1 is provided with a limit member for being engaged with the movable bracket 6 to fix the ignition gun 1, so that the worker can fix the ignition gun 1 on the movable bracket 6 during the ignition, and the worker withdraws to a safe position to monitor the burning condition of the ignition flame, the limit structure comprises a hanging member movably provided to the ignition gun 1, and the hanging member can be engaged with the movable bracket 6 to fix the ignition gun 1.
Preferably, as shown in fig. 2 to 4, the above-mentioned blast furnace firing apparatus further comprises a rest means provided to the blast furnace top platform 9 for resting the firing gun 1.
Specifically, the above-mentioned shelving unit includes a guardrail 11 provided on the blast furnace top platform 9, the guardrail 11 is provided with a plurality of hooks 10 provided at intervals along the length direction of the guardrail 11, and the ignition gun 1 cooperates with each hook 10 to be placed on the shelving unit. During ignition, the ignition gun 1 is taken down from the hooks 10 and is erected on the movable support 6, and after the ignition is completed, the ignition gun 1 is withdrawn from the blast furnace and then is placed on each hook 10 of the placing device.
The embodiment of the utility model provides light-weight blast furnace ignition equipment which can provide open flame for burning residual gas on the top of a blast furnace before overhauling the blast furnace. The blast furnace ignition equipment has the characteristics of small volume and light weight, is convenient to store, is suitable for all levels of blast furnaces, and is important equipment for guaranteeing the safety of the blast furnaces.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It should be appreciated that the terms "system," "apparatus," "unit," and/or "module," if used herein, are merely one method for distinguishing between different components, elements, parts, portions, or assemblies at different levels. However, if other words can achieve the same purpose, the word can be replaced by other expressions.
As used in this application and in the claims, the terms "a," "an," "the," and/or "the" are not specific to the singular, but may include the plural, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The inclusion of an element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.
Wherein, in the description of the embodiments of the present application, "/" means or is meant unless otherwise indicated, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, in the description of the embodiments of the present application, "plurality" means two or more than two.
The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
If a flowchart is used in the present application, the flowchart is used to describe the operations performed by the system according to embodiments of the present application. It should be appreciated that the preceding or following operations are not necessarily performed in order precisely. Rather, the steps may be processed in reverse order or simultaneously. Also, other operations may be added to or removed from these processes.
It should also be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in an article or apparatus that comprises such element.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. A blast furnace firing apparatus, comprising:
the ignition gun is internally provided with a fuel gas channel and a combustion-supporting gas channel which extend from the gun tail to the gun head of the ignition gun, and the ignition gun is provided with an electronic igniter for igniting at the gun head position of the ignition gun;
the valve box is internally provided with a gas pipeline and a combustion-supporting gas pipeline, the gas pipeline is provided with a gas valve, the combustion-supporting gas pipeline is provided with a fuel-supporting gas valve, the gas pipeline is communicated with a gas channel of the ignition gun through a gas hose, and the combustion-supporting gas pipeline is communicated with a combustion-supporting gas channel of the ignition gun through a combustion-supporting gas hose;
the control box is internally provided with a controller which is respectively in communication connection with the electronic igniter, the gas valve and the combustion-supporting gas valve;
and the movable bracket is used for supporting the ignition gun.
2. The blast furnace firing apparatus of claim 1 wherein said gas hose and said combustion air hose are both metal hoses.
3. The blast furnace firing apparatus of claim 1 wherein the gas conduit is further provided with a first manual valve and the combustion air conduit is further provided with a second manual valve.
4. A blast furnace firing apparatus according to any one of claims 1 to 3, wherein the control box is provided with a firing button, the firing button being in communication with the controller, the controller controlling the gas valve and the combustion air valve to open, and simultaneously activating the electronic igniter, upon receipt of a firing signal from the firing button.
5. The blast furnace firing apparatus of claim 4 wherein said control box further comprises a first adjustment knob and a second adjustment knob, said first adjustment knob and said second adjustment knob being in communication with said controller, respectively, said controller controlling the opening of said gas valve in response to a rotational amplitude signal of said first adjustment knob, said controller controlling the opening of said gas valve in response to a rotational amplitude signal of said second adjustment knob.
6. The blast furnace firing apparatus according to claim 5, wherein said firing gun further comprises first flow rate detecting means for detecting a flow rate of gas in said gas passage and second flow rate detecting means for detecting a flow rate of combustion supporting gas in said combustion supporting gas passage, said first flow rate detecting means and said second flow rate detecting means being communicatively connected to said controller, respectively, said controller controlling opening degrees of said gas valve and said combustion supporting gas valve in accordance with detection values of said first flow rate detecting means and said second flow rate detecting means so that a flow rate of gas in said gas passage and a flow rate of combustion supporting gas in said combustion supporting gas passage conform to a preset optimum combustion ratio.
7. The blast furnace firing apparatus according to any one of claims 1 to 3, 5 and 6, wherein a mixer is provided in the firing gun, an inlet of the mixer is respectively communicated with the gas passage and the combustion air passage, and an outlet of the mixer is directed toward the electronic igniter.
8. A blast furnace firing apparatus as claimed in any one of claims 1 to 3, 5 and 6, wherein said firing gun is provided with a stop member for cooperation with said movable support to secure said firing gun.
9. The blast furnace firing apparatus according to any one of claims 1 to 3, 5 and 6, further comprising a rest means provided to the blast furnace top platform for resting the firing gun.
10. The blast furnace firing apparatus of claim 9 wherein said shelving unit includes a rail disposed on said blast furnace top platform, said rail having a plurality of hooks spaced along a length of said rail, said firing gun cooperating with each of said hooks to rest on said shelving unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869980.1U CN219385185U (en) | 2022-10-28 | 2022-10-28 | Blast furnace ignition equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869980.1U CN219385185U (en) | 2022-10-28 | 2022-10-28 | Blast furnace ignition equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219385185U true CN219385185U (en) | 2023-07-21 |
Family
ID=87170573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222869980.1U Active CN219385185U (en) | 2022-10-28 | 2022-10-28 | Blast furnace ignition equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219385185U (en) |
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2022
- 2022-10-28 CN CN202222869980.1U patent/CN219385185U/en active Active
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