Ignition device with adjustable insertion depth

Abstract

The utility model discloses an ignition device with adjustable insertion depth, which comprises an igniter body, the igniter body is fixedly arranged on an insertion depth adjusting device, and the insertion depth adjusting device is fixedly arranged on a movable bracket; the insertion depth adjusting device is obliquely installed on the movable support and comprises a chain wheel rotationally installed in the insertion depth adjusting device, the chain wheel is sleeved with a chain rotating along with the chain wheel, the igniter body is fixed to the chain and moves along with the chain, and the chain wheel is in transmission connection with a driving hand wheel. The driving hand wheel is rotationally mounted outside the insertion depth adjusting device; the effect is that the structure is novel; the problem that the insertion depth of an existing ignition device is difficult to adjust is solved, and leakage of flammable, toxic and harmful substances is effectively prevented. The safety of operators is ensured; the use cost of the ignition device is reduced; and the subsequent sealing process is facilitated.

Description

Technical Field

[0001] The utility model relates to an ignition device suitable for use in large industrial furnaces and kilns in the fields of petroleum and chemical industry and in boilers of power stations, in particular to an ignition device with adjustable insertion depth. Background Art

[0002] Considering the existing ignition devices on the market, they use many supporting devices, are too complicated to install, use and disassemble, and occupy a large space for installation. In addition, in order to ensure their sealing performance and prevent the leakage of flammable, toxic and harmful substances, the existing ignition devices are basically used in designated positions with non-adjustable insertion depths, and cannot meet the needs of use in multiple positions. Therefore, it is very necessary to develop an ignition device that can be applied to a variety of working depths based on the existing ignition devices, integrate the functions of ignition, pressure resistance and adjustable insertion depth, and solve the structural and versatility difficulties of the existing ignition devices. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an ignition device with adjustable insertion depth in view of the deficiencies in the prior art.

[0004] In order to achieve the above purpose, the measures taken by this utility model are:

[0005] An ignition device with adjustable insertion depth comprises an igniter body, wherein the igniter body is mounted and fixed on an insertion depth adjustment device, and the insertion depth adjustment device is mounted and fixed on a movable bracket;

[0006] The insertion depth adjustment device is obliquely mounted on the movable bracket, and includes a sprocket rotatably mounted in the insertion depth adjustment device, a chain rotating with the sprocket is sleeved on the sprocket, the igniter body is fixed on the chain and moves with the chain, the sprocket is connected to a driving handwheel, and the driving handwheel is rotatably mounted outside the insertion depth adjustment device;

[0007] The movable bracket is a bracket with movable rollers and a brake device installed at the bottom;

[0008] The igniter body is composed of two ignition needles, two ignition needle fixing rods, multiple fastening screws, an outer protective tube, a glass fiber column, a connecting joint, a telescopic tube, two cables, a first flange protective tube, a second flange protective tube, a clamping flange assembly, multiple bolts and nuts, multiple graphite gaskets, a clamping block, an explosion-proof box and a junction box. The telescopic tube passes through the first flange protective tube and the second flange protective tube in sequence. The first flange protective tube and the second flange protective tube are fixedly connected with bolts and nuts. The core wires of the two cables are stripped and respectively inserted into the lead connection holes at the tail ends of the two ignition needle fixing rods, and the cables and the ignition needle fixing rods are clamped and fixed. The two ignition needles are respectively inserted into the ignition holes at the front ends of the ignition needle fixing rods. The fastening screws are screwed into the threaded holes on the sides of the ignition needle fixing rods to clamp and fix the ignition needle and the ignition needle fixing rods. The cables connected to the ignition needle fixing rods are fixed. The cable passes through the fiberglass column, and the step at the tail end of the ignition needle fixing rod is stuck in the inner hole of the fiberglass column. The ignition needle fixing rod and the fiberglass column are fixedly connected with high-temperature resistant glue. The fiberglass column passes through the outer protective tube, and the external thread at the tail end of the outer protective tube is screwed into the internal thread at one end of the connecting joint and tightened and fixed. The internal thread at the other end of the connecting joint is tightened and fixed with the external thread at the front end of the telescopic tube. A graphite gasket, a compression block and another graphite gasket are placed in the telescopic tube in sequence, and another graphite gasket is placed in the bottom groove of the second flange protection tube. The compression flange assembly passes through the telescopic tube, and the compression flange assembly is tightened with the second flange protection tube by bolts and nuts, and the graphite gasket is squeezed so that the graphite gasket fits tightly on the telescopic tube and the second flange protection tube; the external thread at the tail end of the telescopic tube is screwed into the thread at one end of the explosion-proof box, and epoxy resin sealant is poured into the explosion-proof box; the thread of the junction box is tightened and fixed with the thread at the tail end of the explosion-proof box;

[0009] The telescopic tube is fixed on a fixed seat on the chain of the insertion depth adjusting device.

[0010] The beneficial effects of the present invention are as follows: novel structure; 1. It solves the problem that the existing ignition device is difficult to adjust the insertion depth. By building a telescopic tube into the igniter and connecting the telescopic tube with the insertion depth adjuster, the telescopic tube of the igniter is driven to move by rotating the wheel on the insertion depth adjuster, so that it can realize the precise insertion depth adjustment function, and can also be applied to the ignition of fuel furnaces with different depths; 2. When the ignition process is started, instantaneous high pressure will be generated in the equipment, and toxic gas will be generated. A multi-layer graphite gasket sealing device is added to the igniter, so that the igniter can maintain the insertion depth adjustment function while having good sealing performance, which can effectively prevent flammable, Leakage of toxic and harmful substances; 3. By pouring sealant into the explosion-proof box and sealing the inside of the telescopic tube and the cable, flammable, toxic and harmful substances can be prevented from entering the junction box and causing leakage, thereby ensuring the safety of operators; 4. This ignition device has the function of quick and easy disassembly and replacement. It uses a fastening screw to fix the ignition needle. When the ignition needle is worn during use, it can be disassembled and replaced, reducing the cost of using the ignition device; 5. This ignition device has the function of convenient movement. The igniter is installed on a movable bracket. After completing the ignition work, it can be quickly withdrawn from the mounting hole to facilitate the subsequent sealing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the external structure of the utility model.

[0012] Figure 2 This is a schematic diagram of the igniter body structure of the utility model.

[0013] Figure 3 For this utility model Figure 2 A in the figure is an enlarged structural diagram.

[0014] Figure 4 For this utility model Figure 2 The enlarged structural diagram at B in FIG. DETAILED DESCRIPTION

[0015] An ignition device with adjustable insertion depth comprises an igniter body 1 , wherein the igniter body 1 is mounted and fixed on an insertion depth adjustment device 2 , and the insertion depth adjustment device 2 is mounted and fixed on a movable bracket 3 .

[0016] The insertion depth adjustment device 2 is installed obliquely on the movable bracket 3. The insertion depth adjustment device 2 includes a sprocket rotatably installed in the insertion depth adjustment device 2. The sprocket is provided with a chain 201 that rotates with the sprocket. The igniter body 1 is fixed on the chain 201 and moves with the chain 201. The sprocket is connected to a driving handwheel 202, and the driving handwheel 202 is rotatably installed on the outside of the insertion depth adjustment device 2.

[0017] The telescopic tube 10 of the igniter body 1 is fixed to the insertion depth adjustment device 2. By rotating the driving handwheel 202 on the insertion depth adjustment device 2, the sprockets are driven to rotate (they can be belt driven or gear driven to each other), and the chain 201 rotates accordingly. The igniter body 1 moves with the chain 201, making the insertion depth adjustment more flexible and simple, thereby realizing the quick adjustment function of the insertion depth of the igniter body 1, making it suitable for ignition work of fuel furnaces of different depths.

[0018] The movable bracket 3 is a bracket with movable rollers and a brake device installed at the bottom.

[0019] The igniter body 1 is composed of two ignition needles 4, two ignition needle fixing rods 5, multiple fastening screws 6, an outer protective tube 7, a glass fiber column 8, a connecting joint 9, a telescopic tube 10, two cables 11, a first flange protection tube 12, a second flange protection tube 13, a compression flange assembly 14, multiple bolts and nuts 15, multiple graphite gaskets 16, a compression block 17, an explosion-proof box 18 and a junction box 19. The telescopic tube 10 passes through the first flange protection tube 12 and the second flange protection tube 13 in sequence. The connection is fixed with bolts and nuts 15, the two cables 11 are stripped of the core wires, and respectively inserted into the lead connection holes at the tail ends of the two ignition needle fixing rods 5, the cables 11 and the ignition needle fixing rods 5 are clamped and fixed, the two ignition needles 4 are respectively inserted into the ignition holes at the front ends of the ignition needle fixing rods 5, the fastening screws 6 are screwed into the threaded holes on the sides of the ignition needle fixing rods 5, the ignition needles 4 and the ignition needle fixing rods 5 are clamped and fixed, the cable 11 connected to the ignition needle fixing rods 5 is inserted into the glass fiber column 8, the step at the tail end of the ignition needle fixing rod 5 is stuck in the inner hole of the glass fiber column 8, and the ignition needle fixing rods 5 and the glass fiber column 8 are fixed with high temperature resistant glue. Fixed connection, the glass fiber column 8 is inserted into the outer protective tube 7, the outer protective tube 7 tail end external thread is screwed into the connecting joint 9 one end internal thread and tightened, the connecting joint 9 the other end internal thread is tightened and fixed with the front end external thread of the telescopic tube 10, a graphite gasket 16, a compression block 17 and another graphite gasket 16 are placed in the telescopic tube 10 in sequence, and another graphite gasket 16 is placed in the bottom end groove of the second flange protection tube 13, the compression flange assembly 14 is inserted into the telescopic tube 10, and the compression flange assembly 14 and the second flange protection tube 13 are tightened by the bolts and nuts 15, and the graphite gasket 16 is squeezed, and the graphite gasket 16 is squeezed. It fits tightly on the telescopic tube 10 and the second flange protection tube 13; the ignition device has pressure-resistant sealing performance, which can prevent the leakage of flammable, toxic and harmful substances. When it is not locked, the telescopic tube 10 can be moved to adjust the insertion depth. After adjustment, the locking bolt nut is tightened to achieve a sealing effect; the external thread at the rear end of the telescopic tube 10 is screwed into the thread at one end of the explosion-proof box 18, and the explosion-proof box 18 is filled with epoxy resin sealant; the interior of the telescopic tube is sealed to prevent flammable, toxic and harmful substances from entering the junction box 19 from the inside of the telescopic tube; the thread of the junction box 19 is tightened and fixed with the thread at the rear end of the explosion-proof box 18.

[0020] The ignition needle 4 will wear out during repeated use, so a fastening screw 6 is used to fix the ignition needle 4, so that it has the function of convenient disassembly and replacement. When the ignition needle 4 is worn, it can be quickly replaced, which greatly reduces the use cost and maintenance efficiency of the ignition device.

[0021] The igniter body 1 is provided with a telescopic tube 10 and is fixedly connected to the insertion depth adjustment device 2. The telescopic tube 10 of the igniter body 1 is driven to move by the insertion depth adjustment device 2, so that the insertion depth can be adjusted. A movable bracket 3 is installed under the igniter body 1 and the insertion depth adjustment device 2, making it more convenient and quick to move and use.

[0022] The telescopic tube 10 can be an existing telescopic tube that is sleeved and connected to each other. The movable bracket 3 is the same as some existing hand-push or electric movable brackets in other fields.

[0023] The telescopic tube 10 is fixed on a fixed seat 203 on the chain of the insertion depth adjustment device 2 .

[0024] The existing ignition device is improved so that it has the function of adjustable insertion depth, and is more convenient to install, use and disassemble, which can effectively improve work efficiency.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An ignition device with adjustable insertion depth, comprising an igniter body (1), characterized in that: The igniter body (1) is mounted and fixed on the insertion depth adjustment device (2), and the insertion depth adjustment device (2) is mounted and fixed on the movable bracket (3); The insertion depth adjustment device (2) is obliquely mounted on the movable bracket (3), and the insertion depth adjustment device (2) includes a sprocket rotatably mounted in the insertion depth adjustment device (2), a chain (201) rotating together with the sprocket is sleeved on the sprocket, and the igniter body (1) is fixed on the chain (201) and moves together with the chain (201), and the sprocket is connected to a driving hand wheel (202), and the driving hand wheel (202) is rotatably mounted outside the insertion depth adjustment device (2).

2. The ignition device with adjustable insertion depth according to claim 1, characterized in that: The movable bracket (3) is a bracket with movable rollers and a brake device installed at the bottom.

3. The ignition device with adjustable insertion depth according to claim 2, characterized in that: The igniter body (1) is composed of two ignition needles (4), two ignition needle fixing rods (5), a plurality of fastening screws (6), an outer protective tube (7), a glass fiber column (8), a connecting joint (9), a telescopic tube (10), two cables (11), a first flange protective tube (12), a second flange protective tube (13), a clamping flange assembly (14), a plurality of bolts and nuts (15), a plurality of graphite gaskets (16), a clamping block (17), an explosion-proof box (18) and a junction box (19), wherein the telescopic tube (10) passes through the first flange protective tube ( 12) and the second flange protection tube (13), the first flange protection tube (12) and the second flange protection tube (13) are fixedly connected with bolts and nuts (15), the two cables (11) are stripped of the core wires, respectively inserted into the lead connection holes at the tail ends of the two ignition needle fixing rods (5), the cables (11) and the ignition needle fixing rods (5) are clamped and fixed, the two ignition needles (4) are respectively inserted into the ignition holes at the front ends of the ignition needle fixing rods (5), the fastening screws (6) are screwed into the threaded holes on the side of the ignition needle fixing rods (5), the ignition needles (4) and the ignition needle fixing rods (5) are clamped and fixed, and the ignition needles (4) and the ignition needle fixing rods (5) are connected. The cable (11) is inserted into the glass fiber column (8), the step at the tail end of the ignition needle fixing rod (5) is inserted into the inner hole of the glass fiber column (8), the ignition needle fixing rod (5) and the glass fiber column (8) are fixedly connected with each other using a high temperature resistant glue, the glass fiber column (8) is inserted into the outer protective tube (7), the outer thread at the tail end of the outer protective tube (7) is screwed into the inner thread at one end of the connecting joint (9) and tightened and fixed, the inner thread at the other end of the connecting joint (9) is screwed into the outer thread at the front end of the telescopic tube (10), and a graphite gasket (16), a compression block (17) and another graphite gasket (16) are placed in the telescopic tube (10) in sequence, and then a A graphite gasket (16) is placed in the bottom groove of the second flange protection tube (13), the compression flange assembly (14) is inserted into the telescopic tube (10), the compression flange assembly (14) and the second flange protection tube (13) are tightened by bolts and nuts (15), and the graphite gasket (16) is squeezed, and the graphite gasket (16) is tightly fitted on the telescopic tube (10) and the second flange protection tube (13); the external thread of the tail end of the telescopic tube (10) is screwed into the thread of one end of the explosion-proof box (18), and epoxy resin sealant is poured into the explosion-proof box (18); the thread of the junction box (19) and the thread of the tail end of the explosion-proof box (18) are tightened and fixed.

4. The ignition device with adjustable insertion depth according to claim 3, characterized in that: The telescopic tube (10) is fixed on a fixed seat (203) on the chain of the insertion depth adjustment device (2).

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