CN202852874U - Fire rod with adjustable fire-striking gap - Google Patents

Abstract

The utility model discloses a fire rod with an adjustable fire-striking gap and belongs to industrial flame furnaces. The fire rod with the adjustable fire-striking gap is composed of three parts, the upper portion is composed of a high-voltage input terminal, a porcelain tower, a hexagon nut, a high-voltage charge aggregator inner porcelain part, a high-voltage charge aggregator platform, a conductor glass sealant and a gap adjusting screw, the middle portion is composed of an inner electrode, an outer electrode pipe and an insulating porcelain pipe, and the lower portion is composed of an outer electrode fire-striking end socket, a fire-striking gap and an inner electrode fire-striking end socket. The fire-striking gap can be adjusted in a range from 0-10mm. The problem that defects exist in a fire rod of an industrial flame furnace is solved, traditional technology that two parallel electrode tips are continuously used by the fire rod to discharge so as to generate electric sparks is changed, and the fire rod with the adjustable fire-striking gap is developed to be matched with various types of ignition transformers. Two electrodes are combined lengthways, a ring fire-striking end socket is provided with multiple fire-striking point locations, fire-striking capability is big, the fire-striking gap can be accurately adjusted in a relaxing mode, and anti-burning capability is strong. The fire rod with the adjustable fire-striking gap which is high-efficiency, safe, energy-saving, environment-friendly, economic, durable and long in service life is provided for the industrial flame furnace.

Description

Sparking clearance adjustable type fire rod

Technical field

The utility model belongs to industrial flame stove combustion system, particularly a kind of sparking clearance adjustable type fire rod.

Background technology

Present known industrial flame stove fire rod, that two electrode combinations insert in the industrial flame stove, high-tension electricity with the generation of industrial flame stove ignition transformer, electric spark occurs by two eletrode tip discharges, light combustion gas or fuel oil that industrial flame furnace klining mouth ejects, make the blow-on of industrial flame stove and normal operation.Every industrial flame stove has a plurality of burners, and each burner all needs a supporting fire rod.Supporting two electrodes of fire rod employing of industrial flame stove are a pair of point discharge generation electric spark or several to the tip two electrodes making both at home and abroad at present, increase the point of discharge position electric spark occurs.Because the ignition transformer kind of manufacturer production is different with standard, the voltage and current of ignition transformer output also is not quite similar, fire rod sparking excesssive gap or too small intensity and the temperature that all can affect two eletrode tip discharge generation electric sparks, so the size in fire rod sparking gap just becomes the key that electric spark occurs in two eletrode tips discharges.During the blow-on of industrial flame stove, operating personnel will adjust the sparking gap of fire rod, adjust the method in fire rod sparking gap: generally be inwardly to knock to dwindle the gap, outwards pry open the increase gap.Although it is simple to adjust like this method in fire rod sparking gap, has the technology drawback: strike in (1) with outer sled sparking gap and will damage two electrodes.(2) two electrode front ends that form fire rod sparking gap are taper very, and being burnt for a long time in the industrial flame stove can the scaling loss distortion.(3) strike in using and adjust with the method for outer sled that fire rod sparking gap is inaccurate and the gap is suddenly big or suddenly small, wish is struck sparks fire rod, and to adjust to levels of precision very difficult in the gap.(4) product of at present domestic and international industrial flame stove fire rod, it all is the combination of porcelain bead, porcelain ring and two heat-resistant steel wire making electrodes, be that flimsy parts need often to change, the industrial flame stove fire rod of especially external import is expensive very uneconomical.

The utility model content

The technology drawback that the utility model exists for solving known industrial flame stove fire rod provides a kind of industrial flame stove sparking clearance adjustable type fire rod.Its technical scheme is:

(1) sparking clearance adjustable type fire rod is divided into three parts in upper, middle and lower: top comprises porcelain piece in high-tension electricity input terminal, porcelain tower, hexagonal (hexagon)nut, the high voltage electricity accumulator, high voltage electricity accumulator platform, conductor glass-sealing agent, gap adjustment screw; The middle part comprises interior electrode, external electrode pipe, porcelain tube; The bottom comprises external electrode termination annular electrode, the sparking gap, interior electrode tip annular electrode forms, wherein: the high voltage electricity accumulator platform on top and the interior electrode welding at middle part, interior electrode is that the stainless steel wire lower end of diameter 4mm has screw thread, there is the interior electrode tip annular electrode of screw thread to be connected with bullet shape, the screw male thread is adjusted in the gap on top has interior screw thread external electrode pipe to be connected with an end, external electrode pipe another end is external electrode termination annular electrode, the external electrode pipe is the stainless steel tube of diameter 16mm, turning clockwise the sparking gap increases, turn counterclockwise the sparking gap and reduce, the sparking gap can be adjusted in 0--10 millimeter scope.

(2) the high voltage electricity accumulator is the platform of 1 millimeter of two diameters, 3 millimeters thick, 2 millimeters of two platform spacings are assemblied in the airtight device of secluding air, high voltage electricity accumulator upper mounting plate is connected with the high-tension electricity input terminal, lower platform connects interior electrode, and the high voltage electricity accumulator can gather and fully provide electrode discharge needed electric charge.

(3) the utility model has changed two traditional technology of eletrode tip discharge generation electric spark, two sparking electrodes vertically are combined on the barred body, interior electrode adopts 2.2 millimeters heat-resistance stainless steel wire bonds of upper end diameter to connect 4 millimeters heat-resistance stainless steel silks of diameter, external electrode adopts 2 millimeters heat-resistance stainless steel pipes of diameter 16 millimeters thick, insulate with 9 millimeters high-alumina ceramic tubes of internal diameter 4 mm outer diameter between interior electrode and the external electrode pipe, porcelain tube stretches out the external electrode tube portion and interior electrode tip forms the sparking gap, the external electrode termination circularizes the plane, interior electrode tip bullet shape end face circularizes the plane, two planar annular electrodes are relative, have that numerous sparking point position sparking ability is large and burnback resistance is strong.

(4) adjustment in industrial flame stove fire rod sparking gap is carried out with hexagonal (hexagon)nut and external electrode pipe, increase the sparking gap: hexagonal (hexagon)nut maintains static, clockwise rotates the external electrode pipe, reduces the gap of striking sparks: hexagonal (hexagon)nut maintains static, rotates counterclockwise the external electrode pipe.

The utility model has also been taked following technical measures:

(1) porcelain piece is one in porcelain tower and the high voltage electricity accumulator, the upper end is that 5 millimeters of internal diameters, lower end are 2.2 millimeters post holes in the porcelain piece, fill first the interior electrode that links to each other with platform, the high-tension electricity input terminal that rear assembling platform links to each other, two platforms relatively and 2 millimeters gaps are arranged, then inject the conductor glass-sealing agent, the conductor glass-sealing agent has sealing, conduction, strong binding and fixation.

(2) high voltage electricity accumulator porcelain piece outside is steel part, top is that hexagon nut, bottom are that screw is adjusted in the gap, the interior electrode that platform links to each other stretches out high voltage electricity accumulator porcelain piece be combined with porcelain tube and extends through porcelain tube, is connected with internal and external threads and the interior electrode of the bullet shape termination of striking sparks.

(3) the high-tension electricity input terminal links to each other with interior electrode, the outer steel part of high voltage electricity accumulator porcelain piece links to each other with external electrode, be to guarantee insulation and the safety of high-tension electricity input terminal and the outer steel part of high voltage electricity accumulator, the multiple tracks umbrella rib that use porcelain tower technology has not only strengthened the distance of two electrodes but also porcelain tower can prevent water droplet effectively or the conducting objects that descends slowly and lightly causes short circuit or the discharge of electrode.

The advantage that the utlity model has and good effect

The utility model adapts to industrial flame stove combustion ignition system to the demand of fire rod, solved the technology drawback that industrial flame stove fire rod sparking gap exists, changed the conventional art of fire rod continuity with two parallel eletrode tip discharge generation electric sparks, for the industrial flame stove provides two vertical one of electrode, electrode sparking termination is circular planes, numerous sparking point site is arranged, sparking power is large, adjustment sparking gap easily accurate and burnback resistance is by force a kind of highly effective and safe, energy-conserving and environment-protective, the sparking clearance adjustable type fire rod that the economy and durability life-span is long.

Description of drawings

Fig. 1: sparking clearance adjustable type fire rod outline drawing

Fig. 2: sparking clearance adjustable type fire rod structure chart

Among the figure: 1, porcelain piece 4, hexagonal (hexagon)nut 5, high voltage electricity accumulator platform 6, conductor glass-sealing agent 7, set screw 8, external electrode pipe 9, interior electrode 10, porcelain tube 11, external electrode sparking termination 12, sparking gap 13, interior electrode sparking termination in high-field electrode terminal 2, porcelain tower 3, the high voltage electricity accumulator

The specific embodiment

For further understanding content of the present utility model, feature and effect, and cooperate description of drawings as follows:

As shown in Figure 2, the utility model divides three parts to form: top comprises that screw is adjusted in porcelain piece, hexagonal (hexagon)nut, high voltage electricity accumulator platform, conductor glass-sealing agent, set screw, high voltage electricity accumulator and gap in high-tension electricity input terminal, porcelain tower, the high voltage electricity accumulator, the middle part comprises interior electrode, external electrode pipe, porcelain tube, the bottom comprises external electrode sparking termination, sparking gap, interior electrode sparking termination, and the sparking gap can be adjusted between 0--10 millimeter scope.Be described as follows:

1, top of the present utility model is the high-field electrode terminal, the porcelain tower, porcelain piece in the high voltage electricity accumulator, hexagonal (hexagon)nut, high voltage electricity accumulator platform, conductor glass-sealing agent and set screw form, porcelain piece is integrated in porcelain tower and the high voltage electricity accumulator, interior porcelain piece adopts the 5 millimeters bucket pipes in alumina porcelain upper end, 2.2 millimeters bucket pipes of bottom diameter, the high voltage electricity accumulator is the platform of 1 millimeter of two diameters, 3 millimeters thick, 2 millimeters of two platform spacings, inject conductor glass-sealing agent secluding air airtight and conduction arranged, strong binding and fixation, high voltage electricity accumulator upper mounting plate connects 3 millimeters screws, stretching out 10 millimeters in porcelain tower namely is the high-field electrode terminal, high voltage electricity accumulator lower platform connects 2.2 millimeters heat-resistant steel wires and stretches out 100 millimeters, wherein 10 millimeters have the insulation of porcelain piece tail pipe, 6 millimeters of porcelain piece tail pipe diameters.The outside of high voltage electricity accumulator is steelwork, 20 millimeters hexagonal (hexagon)nuts, bottoms are arranged at top is the gap adjustment screw of 12 millimeters of diameters, wide 10 millimeters standard screw threads, put in length in the stove according to industrial flame stove needs fire rod, form the male thread of 4 millimeters of interior electrode sleeve diameters with 4 millimeters heat-resistance stainless steel silks of diameter and 2.2 millimeters heat-resistant steel wires with the argon arc welding welding.

2, porcelain tube is the high-alumina ceramic tube of 9 millimeters of internal diameter 4 mm outer diameter, and interior electrode can insert in the porcelain tube.The external electrode pipe is heat-resistance stainless steel 316 (or 2520) tubing of 2 millimeters of 16 millimeters wall thickness of diameter, one end is screw thread in the standard, 15 millimeters of diameter 12 mm wides, the another end close fit is pressed into 12 millimeters of external diameters, 9 millimeters of internal diameters, high 12 mm round cylinders consist of external electrode sparking termination, 9 millimeters high-alumina ceramic tube passes external electrode sparking termination and interior electrode sparking termination forms the sparking gap, interior electrode sparking termination is the cylinder of making 15 millimeters high 20 millimeters bullet shapes of diameter with heat-resistance stainless steel 316 (or 2520) bar, 2.9 millimeters of interior electrode tip annular face widths, there is the interior nest of 9 millimeters of diameters the centre, the interior screw thread that 10 millimeters covers of nest central punch are 4 millimeters, engage the compression porcelain tube with interior electrode male thread, interior electrode tip and external electrode termination form the sparking gap with respect to forming ring.

Claims (4)

1. sparking clearance adjustable type fire rod, it is characterized in that: sparking clearance adjustable type fire rod is divided into three parts in upper, middle and lower and forms: top comprises that porcelain piece in high-tension electricity input terminal, porcelain tower, hexagonal (hexagon)nut, the high voltage electricity accumulator, high voltage electricity accumulator platform, conductor glass-sealing agent, gap adjust screw; The middle part comprises interior electrode, external electrode pipe, porcelain tube; The bottom comprises external electrode termination annular electrode, the sparking gap, interior electrode tip annular electrode, wherein: the high voltage electricity accumulator platform on top and the interior electrode welding at middle part, interior electrode is that the stainless steel wire lower end of diameter 4mm has screw thread, there is the interior electrode tip annular electrode of screw thread to be connected with bullet shape, the screw male thread is adjusted in the gap on top has interior screw thread external electrode pipe to be connected with an end, external electrode pipe another end is external electrode termination annular electrode, the external electrode pipe is the stainless steel tube of diameter 16mm, turning clockwise the sparking gap increases, turn counterclockwise the sparking gap and reduce, the sparking gap can be adjusted in 0--10 millimeter scope.

2. described sparking clearance adjustable type fire rod according to claim 1, it is characterized in that: the high voltage electricity accumulator is the platform of 1 millimeter of two diameters, 3 millimeters thick, 2 millimeters of two platform spacings are assemblied in the airtight device of secluding air, high voltage electricity accumulator upper end is connected with the high-tension electricity input terminal, electrode in the lower termination.

3. described sparking clearance adjustable type fire rod according to claim 1, it is characterized in that: two sparking electrodes vertically are combined on the barred body, interior electrode adopts 2.2 millimeters heat-resistance stainless steel wire bonds of upper end diameter to connect 4 millimeters heat-resistance stainless steel silks of diameter, external electrode adopts 2 millimeters heat-resistance stainless steel pipes of diameter 16 millimeters thick, insulate with 9 millimeters high-alumina ceramic tubes of internal diameter 4 mm outer diameter between interior electrode and the external electrode pipe, porcelain tube stretches out the external electrode tube portion and interior electrode tip forms the sparking gap, the external electrode termination circularizes the plane, interior electrode tip bullet shape end face circularizes the plane, and two planar annular electrodes are relative.

4. described sparking clearance adjustable type fire rod according to claim 1, it is characterized in that: the adjustment in industrial flame stove fire rod sparking gap is carried out with hexagonal (hexagon)nut and external electrode pipe, increase the sparking gap: hexagonal (hexagon)nut maintains static, clockwise rotates the external electrode pipe, reduces the gap of striking sparks: hexagonal (hexagon)nut maintains static, rotates counterclockwise the external electrode pipe.

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