Automatic ignition device of hot blast stove

Abstract

The automatic ignition device comprises a battery pack, an electronic igniter, a control assembly and an ignition head assembly, the battery pack is respectively connected with the electronic igniter and a single-chip microcomputer, the ignition head assembly is connected with the electronic igniter, the control assembly comprises the single-chip microcomputer, the single-chip microcomputer is connected with a signal receiver and a temperature sensor, and the temperature sensor is connected with the signal receiver. The temperature sensor is arranged in the hot-blast stove, and the single-chip microcomputer receives data of the temperature sensor and controls the electronic igniter to ignite. The ignition head assembly extends into the furnace body for ignition; a battery pack is connected with an electronic igniter and a control assembly, a single chip microcomputer of the control assembly is provided with a signal receiver and a temperature sensor, the temperature sensor is arranged in a furnace body, the electronic igniter is connected with an ignition head assembly, and one end of the ignition head assembly is inserted into the furnace body. Therefore, remote control ignition or automatic ignition according to the temperature in the hot blast stove can be achieved, the step of manual ignition operation is omitted, and safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of hot blast stove ignition, and particularly relates to an automatic ignition device for a hot blast stove. Background Art

[0002] Phosphorite, as the main raw material for producing phosphorus by the electric furnace method, will produce about 20% of fine ore during the crushing and processing process. The fine ore needs to be processed into balls for use in the yellow phosphorus electric furnace production. The processing method is to mix and stir the fine ore and the binder evenly and extrude them into balls, and then use them as the raw material for the phosphorus ore powder balls produced by the electric furnace method after high-temperature roasting.

[0003] After the fine ore is formed into balls, it is roasted at high temperature by a hot blast stove. However, the existing hot blast stove burners are usually manually ignited by on-site operators, which has great operation difficulty, low success rate, and certain safety risks. At the same time, the fine ore ball forming process belongs to intermittent production, and the increased ignition frequency of the hot blast stove exacerbates the safety risk. Therefore, it is urgent to optimize the ignition device of the hot blast stove burner. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an automatic ignition device for a hot blast stove. By connecting a battery pack with an electronic igniter and a control component, and setting a signal receiver and a temperature sensor on the single-chip microcomputer of the control component, remote control ignition or automatic ignition according to the temperature inside the hot blast stove can be realized.

[0005] The utility model is realized by the following technical solutions:

[0006] An automatic ignition device for a hot blast stove includes a battery pack, an electronic igniter, a control component, and an ignition head component. The battery pack is respectively connected with the electronic igniter and the single-chip microcomputer. The ignition head component is connected with the electronic igniter. The control component includes a single-chip microcomputer, and a signal receiver and a temperature sensor are connected to the single-chip microcomputer. The temperature sensor is arranged inside the hot blast stove, and the single-chip microcomputer receives the data of the temperature sensor to control the electronic igniter to ignite; the ignition head component extends into the furnace body for ignition.

[0007] Further, the ignition head component includes a ceramic tube and an ignition needle. The ceramic tube includes a straight tube part and at least one bending part; the ignition needle includes a needle rod part and an ignition head. The needle rod part is arranged inside the ceramic tube, and the ignition head extends out from the bending part of the ceramic tube; a gas delivery pipe is arranged inside the hot blast stove, and the straight tube part of the ceramic tube is arranged parallel to the gas delivery pipe, and the ignition head is arranged at a position close to the end of the gas delivery pipe.

[0008] Further, the ceramic tube has two bending parts, the two bending parts are symmetrically arranged, and ignition heads are arranged at both bending parts. The two ignition heads are respectively arranged on the left and right sides of the gas delivery pipe.

[0009] Further, main air holes and side air holes are provided on the air delivery pipe. The main air holes are arranged at the end of the air delivery pipe, and the side air holes are arranged at a position on the side of the air delivery pipe close to the main air holes. The side air holes are arranged in an annular array on the side wall of the air delivery pipe; a wind baffle is arranged between the side air holes and the main air holes, and the ignition head is arranged at a position on one side of the wind baffle close to the side air holes.

[0010] Further, a first limiting member is arranged between the air delivery pipe and the ceramic pipe, and the first limiting member is sleeved on the straight pipe parts of the air delivery pipe and the ceramic pipe respectively.

[0011] Further, a second limiting member is arranged between the air delivery pipe and the ceramic pipe, and the second limiting member is sleeved on the two bent parts of the ceramic pipe and the air delivery pipe respectively.

[0012] Further, a sealing member is arranged on the ceramic pipe. The sealing member is sleeved on the ceramic pipe and adhesively bonded to the straight pipe part of the ceramic pipe. The sealing member includes a plug-in part, and the plug-in part is in plug-in fit connection with the external furnace body.

[0013] Compared with the prior art, the present utility model has the following advantages and beneficial effects:

[0014] 1) In the present utility model, the battery pack is connected to the electronic igniter and the control component. A signal receiver and a temperature sensor are arranged on the single-chip microcomputer of the control component. The temperature sensor is arranged in the furnace body. The electronic igniter is connected to the ignition head component, and one end of the ignition head component is inserted into the furnace body, so that remote control ignition or automatic ignition according to the temperature in the hot blast stove can be realized, and the steps of manual ignition operation are omitted, and the safety is improved.

[0015] 2) In the present utility model, a ceramic pipe and an ignition needle are arranged in the ignition head component. The ceramic pipe includes a straight pipe part and two bent parts. The two bent parts are symmetrically arranged. The ignition needle is arranged in the ceramic pipe and extends out from the two bent parts to form a double ignition head. The two ignition heads are symmetrically arranged on the left and right sides of the air delivery pipe. If one side of the ignition head fails, the ignition operation can also be completed through the ignition head on the other side, which improves the service life and the success rate of igniting the hot blast stove. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a schematic structural diagram of the automatic ignition device of the hot blast stove of the present utility model.

[0018] Wherein: 1 - battery pack, 2 - electronic igniter, 3 - single-chip microcomputer, 31 - signal receiver, 32 - temperature sensor, 4 - ceramic tube, 41 - straight tube portion, 42 - bent portion, 5 - ignition needle, 51 - needle rod portion, 52 - ignition head, 6 - seal, 61 - insertion portion, 7 - first limiting member, 8 - second limiting member, 9 - air supply pipe, 91 - side air holes, 92 - main air holes, 10 - wind shield. Specific implementation mode

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0020] Embodiment 1:

[0021] The main structure of this embodiment, an automatic ignition device for a hot blast stove, as Figure 1As shown in the figure, it includes a battery pack 1, an electronic igniter 2, a control component, and an igniter head 52 component. The battery pack 1 is respectively connected to the electronic igniter 2 and the single-chip microcomputer 3. The igniter head 52 component is connected to the electronic igniter 2. The control component includes the single-chip microcomputer 3. A signal receiver 31 and a temperature sensor 32 are connected to the single-chip microcomputer 3. The temperature sensor 32 is arranged inside the hot blast stove and at the top of the hot blast stove. The single-chip microcomputer 3 receives the data of the temperature sensor 32 to control the electronic igniter 2 to ignite. The signal receiver 31 is arranged on the single-chip microcomputer 3. The single-chip microcomputer 3 is arranged outside the hot blast and is wrapped by heat insulation materials, and is relatively isolated from the hot blast stove, which can prevent the single-chip microcomputer 3 from being damaged. The battery pack 1 is arranged in a separate battery box and is spaced from the hot blast stove. The electronic igniter 2 is connected to the igniter head 52 component. The electronic igniter 2 is arranged outside the hot blast stove. One end of the igniter head 52 component is inserted into the hot blast stove. The surface of the electronic igniter 2 is also provided with heat insulation materials. The battery pack 1 is electrically connected to the electronic igniter 2 and the single-chip microcomputer 3. An electric control module is arranged on the battery pack 1. The electric control module can control the on-off of the battery pack 1 and the electronic igniter 2. The electric control module is connected to the single-chip microcomputer 3. An ignition signal can be sent through an external remote control, so that the single-chip microcomputer 3 sends an ignition instruction to the battery pack 1, and the battery pack 1 supplies power to the electronic igniter 2 to achieve ignition; in addition, the temperature data inside the hot blast stove can also be transmitted to the single-chip microcomputer 3 through the temperature sensor 32 inside the hot blast stove. An ignition temperature threshold is preset in the single-chip microcomputer 3. When the temperature inside the hot blast stove drops to the temperature threshold, the single-chip microcomputer 3 automatically sends an ignition instruction to the battery pack 1 to achieve automatic ignition for temperature control; the igniter head 52 component includes a ceramic tube 4 and an ignition needle 5. The ceramic tube 4 includes a straight tube part 41 and at least one bending part 42; the ignition needle 5 includes a needle rod part 51 and an igniter head 52. The needle rod part 51 is arranged inside the ceramic tube 4, and the igniter head 52 extends out from the bending part 42 of the ceramic tube 4; an air supply pipe 9 is arranged inside the hot blast stove. The straight tube part 41 of the ceramic tube 4 is arranged parallel to the air supply pipe 9. The igniter head 52 is arranged at a position close to the end of the air supply pipe 9. The straight tube part 41 of the ceramic tube 4 is parallel and spaced from the air supply pipe 9. The end of the bending part 42 of the ceramic tube 4 is bent towards the air supply pipe 9. Similarly, the igniter head 52 is also arranged towards the air supply pipe 9; a seal 6 is arranged on the ceramic tube 4. The seal 6 is sleeved on the ceramic tube 4 and is glued to the straight tube part 41 of the ceramic tube 4. One side of the seal 6 is arranged on the outer surface of the hot blast stove, and the other side is provided with a plug-in part 61. The plug-in part 61 of the seal 6 is in plug-in fit connection with the external furnace body, which is used to seal the gap between the hot blast stove and the ceramic tube 4 and can make the ceramic tube 4 more stable.

[0022] Embodiment 2:

[0023] Based on the above embodiment, this embodiment further defines the ceramic tube 4 and the ignition needle 5. The ceramic tube 4 includes two bending portions 42 which are symmetrically arranged. Ignition heads 52 are provided at the two bending portions 42. The two ignition heads 52 are respectively arranged on the left and right sides of the gas delivery pipe 9 and are spaced apart from the gas delivery pipe 9. The gas delivery pipe 9 is provided with a main air hole 92 and side air holes 91. The main air hole 92 is provided at the end of the gas delivery pipe 9, and the side air holes 91 are provided at positions on the side surface of the gas delivery pipe 9 close to the main air hole 92. The side air holes 91 are arranged in an annular array on the side wall of the gas delivery pipe 9. Both of the two ignition heads 52 are arranged to be aligned with the side air holes 91, so that the electric spark can smoothly ignite the combustible gas conveyed in the hot gas delivery pipe 9. A wind shield 10 is arranged between the side air holes 91 and the main air hole 92. The ignition head 52 is arranged at a position on one side of the wind shield 10 close to the side air holes 91. A first limiting member 7 is arranged between the gas delivery pipe 9 and the ceramic tube 4. The first limiting member 7 is respectively sleeved on the straight pipe portions 41 of the gas delivery pipe 9 and the ceramic tube 4. The first limiting member 7 is used to fix the straight pipe portion 41 of the ceramic tube 4 and the gas delivery pipe 9 to keep the two stable. A second limiting member 8 is arranged between the gas delivery pipe 9 and the ceramic tube 4. The second limiting member 8 is respectively sleeved on the two bending portions 42 of the ceramic tube 4 and the gas delivery pipe 9. The second limiting member 8 is used to maintain the stability between the bending portions 42 of the ceramic tube 4 and the gas delivery pipe 9 to ensure the smooth ignition. Other parts of this embodiment are the same as those of the above embodiment and will not be described in detail here.

[0024] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0025] In addition, when the terms "horizontal" and "vertical" appear in the description of the present utility model, it does not mean that the components are required to be absolutely horizontal or hanging vertically, but they can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and it does not mean that the structure must be completely horizontal, but it can be slightly inclined.

[0026] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, if the terms "set", "installed", "connected", "connected" are used, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Any simple modification or equivalent change made to the above embodiments based on the technical essence of the present utility model falls within the protection scope of the present utility model.

Claims

1. An automatic ignition device for a hot blast stove, characterized in that, It includes a battery pack, an electronic igniter, a control component and an igniter head component. The battery pack is respectively connected to the electronic igniter and a single-chip microcomputer. The igniter head component is connected to the electronic igniter. The control component includes a single-chip microcomputer, and a signal receiver and a temperature sensor are connected to the single-chip microcomputer. The temperature sensor is arranged inside the hot blast stove. The single-chip microcomputer receives the data of the temperature sensor to control the electronic igniter to ignite. The igniter head component extends into the furnace body for ignition.

2. The automatic ignition device of the hot blast stove according to claim 1, characterized in that, The igniter head component includes a ceramic tube and an ignition needle. The ceramic tube includes a straight tube portion and at least one bent portion. The ignition needle includes a needle rod portion and an ignition head. The needle rod portion is arranged inside the ceramic tube, and the ignition head extends out from the bent portion of the ceramic tube. A gas delivery pipe is arranged inside the hot blast stove. The straight tube portion of the ceramic tube is arranged parallel to the gas delivery pipe, and the ignition head is arranged at a position close to the end of the gas delivery pipe.

3. The automatic ignition device of the hot blast stove according to claim 2, characterized in that, There are two bent portions on the ceramic tube, and the two bent portions are symmetrically arranged. Ignition heads are arranged at the two bent portions, and the two ignition heads are respectively arranged on the left and right sides of the gas delivery pipe.

4. The automatic ignition device of the hot blast stove according to claim 3, characterized in that, Main air holes and side air holes are arranged on the gas delivery pipe. The main air holes are arranged at the end of the gas delivery pipe, and the side air holes are arranged at a position close to the main air holes on the side of the gas delivery pipe. The side air holes are arranged in an annular array on the side wall of the gas delivery pipe. A wind shield is arranged between the side air holes and the main air holes, and the ignition head is arranged at a position close to the side air holes on one side of the wind shield.

5. The automatic ignition device of the hot blast stove according to claim 4, characterized in that, A first limiting member is arranged between the gas delivery pipe and the ceramic tube, and the first limiting member is respectively sleeved on the straight tube portion of the gas delivery pipe and the ceramic tube.

6. The automatic ignition device of the hot blast stove according to claim 4, characterized in that, A second limiting member is arranged between the gas delivery pipe and the ceramic tube, and the second limiting member is respectively sleeved on the two bent portions of the ceramic tube and the gas delivery pipe.

7. The automatic ignition device of the hot blast stove according to claim 2, characterized in that, A sealing member is arranged on the ceramic tube. The sealing member is sleeved on the ceramic tube and is adhesively bonded to the straight tube portion of the ceramic tube. The sealing member includes a plug-in portion, and the plug-in portion is in plug-in fit connection with the external furnace body.

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