Dry-type burnthrough gun for industrial silicon submerged arc furnace
By designing a dry burn-through gun, using seamless steel pipes and an insulating structure, the safety hazards and high costs of water-cooled equipment were solved, achieving a safer, cheaper, and more stable burn-through operation.
Patent Information
- Application Number
- CN202423266404.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing industrial silicon submerged arc furnaces suffer from safety hazards related to water cooling equipment and high production costs due to burn-through lances.
A dry burn-through gun was designed, which uses a seamless steel pipe gun body with flanges welded to both ends to connect the gun head and the operating handle. An insulating plate and a copper busbar are installed, and the copper busbar is installed through an insulating bracket. The gun head is U-shaped, and an insulating component is provided at the connection. The copper busbar is made of 16mm thick copper plate, and the weld height is not less than 8mm.
It reduces safety hazards, improves operational safety, has lower costs, is simpler to manufacture, easier to install, has a more stable gun head, and has good conductivity.
Smart Images
Figure CN223856164U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of burning through technology, and particularly relates to an industrial silicon submerged arc furnace dry type burning through gun. BACKGROUND
[0002] When smelting industrial silicon in a submerged arc furnace, a burning through gun is needed to burn through the tuyere when tapping molten iron from the electric furnace, so that the molten iron can flow out of the hearth, and the working principle is to introduce the current on the transformer into the burning through carbon rod to generate an electric arc between the carbon rod and the electrode in the hearth to burn through the tuyere, so that the molten iron can flow out of the hearth smoothly.
[0003] The existing tapping burning through equipment is a water cooling device, and since its working principle needs to introduce large current into the burning through carbon rod to tap the furnace, the water cooling device has certain safety hazards, and water leakage of the equipment can cause electric leakage, therefore, the utility model provides an industrial silicon submerged arc furnace dry type burning through gun to solve the above problems. UTILITY MODEL CONTENTS
[0004] In view of the above problems, the utility model provides an industrial silicon submerged arc furnace dry type burning through gun to overcome the defects of the prior art and effectively solve the problems of the existing burning through gun, such as certain safety hazards and high production cost.
[0005] The utility model takes the technical scheme as follows: the utility model provides an industrial silicon submerged arc furnace dry type burning through gun, which comprises a gun body, the gun body is made of a steel pipe with flanges welded at both ends, flange plates at both ends of the gun body are connected with a gun head and an operating handle through bolts three and bolts one in cooperation with nut one, and insulating plates are arranged between the flange plates at both ends of the gun body and the gun head and the operating handle, wherein a connecting copper bar is further arranged between the gun head and the insulating plate, the outer sides of the bolts one at both sides are respectively sleeved with insulating sleeves one and insulating sleeves two, meanwhile, large washers and spring washers are arranged between the bolts one at both ends and the flange of the gun body and the connection positions of the gun head and the operating handle, and an insulating washer is arranged between the nut one and the flange at both ends of the gun body.
[0006] As an improvement of the scheme, a lifting lug plate is welded to the bottom of the side of the gun body close to the operating handle, a burning through copper bar two is fixedly connected to the lifting lug plate through bolts two, nut one, large washers and spring washers, a burning through bus bar is connected to the bottom of the burning through copper bar two, four groups of copper bar hangers are uniformly distributed on the side wall of the gun body along the direction of the axis, a burning through copper bar one is fixedly connected to the copper bar hangers through bolts two, nut one, large washers and spring washers, the left end of the burning through copper bar one is fixed to the connecting copper bar through bolts two, nut one, large washers and spring washers, and the right end of the burning through copper bar one is fixed to the outer wall of the burning through copper bar two through bolts four, nut two, washer two and spring pad.
[0007] As the improvement of the scheme, the steel plates for counterweight are welded on the inner walls of the flanges at both ends of the barrel, and the steel plates are arranged above the steel pipe, so that the barrel is kept in balance.
[0008] As the improvement of the scheme, the second copper bar is arranged in a Z-shaped plate form, and the gun head is arranged in a U-shaped form.
[0009] All the welds in the application are continuous welds, and the height of the welds is not less than 8 mm.
[0010] The beneficial effects obtained by the utility model are as follows:
[0011] 1. The gun head is a dry type without water, which reduces the safety hazard, and the gun head does not need to be watered, so that the safety is higher during use, and multiple insulations are arranged on the barrel to ensure the safety of the operator.
[0012] 2. The gun head of the burning-through gun is arranged in a U-shaped inclined iron type, the inclined iron is used to fasten the carbon rod, so that the carbon rod is more stable during burning-through, the inclined iron is an easily damaged part, which is simple to manufacture, cheaper in cost, and convenient to replace and install, and compared with the commonly used water burning-through gun, the inclined iron has the advantages of higher safety, convenience and lower manufacturing cost.
[0013] 3. The barrel is the body of the burning-through gun, which is made of a whole seamless steel pipe, has good strength, few welds, and does not need to be watered to reduce the safety hazard, the front end is connected with the gun head, and the rear end is connected with the operating handle, and insulating parts are arranged at the two connection positions to ensure the good insulation of the operating handle of the burning-through gun.
[0014] 4. The operating handle is a main contact part for manual burning-through operation, which is welded by a steel pipe, and has the characteristics of simplicity and lightness.
[0015] 5. The connecting copper bar is a main carrier for the current from the transformer to the burning-through carbon rod, the copper bar is installed on the barrel by an insulating support, and is made of a 16 mm thick copper plate, so that the strength of the copper bar is ensured and the requirement of the conductive area is met. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is an overall structure schematic diagram of the dry burning-through gun of the industrial silicon submerged arc furnace in the front view direction;
[0017] Figure 2 It is an overall structure schematic diagram of the dry burning-through gun of the industrial silicon submerged arc furnace in the front view direction;
[0018] Figure 3 It is Figure 1 an enlarged schematic diagram of the section at A-A;
[0019] Figure 4 It is Figure 1 an enlarged schematic diagram of the section at B-B;
[0020] Figure 5 for Figure 1 enlarged view of a section taken at C-C;
[0021] Figure 6 for Figure 1 enlarged view of a section taken at D-D.
[0022] Wherein, 1, gun head; 2, connecting copper bar; 3, insulating plate; 4, insulating sleeve one; 5, insulating washer; 6, gun body; 7, insulating sleeve two; 8, operating handle; 9, bolt one; 10, nut one; 11, large washer; 12, spring washer; 13, copper bar hanger; 14, bolt two; 15, bolt three; 16, burn-through copper bar one; 17, burn-through copper bar two; 18, bolt four; 19, nut two; 20, washer two; 21, spring pad; 22, burn-through bus; 23, hanger plate.
[0023] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0025] As Figures 1-6 shown, the industrial silicon submerged arc furnace dry burn-through gun provided by the present application comprises a gun body 6, the gun body 6 is made of a steel pipe with flanges welded at both ends, flange plates at both ends of the gun body 6 are connected with a gun head 1 and an operating handle 8 through bolt three 15 and bolt one 9 respectively in cooperation with a nut one 10, and insulating plates 3 are arranged between the flange plates at both ends of the gun body 6 and the gun head 1 and the operating handle 8, wherein a connecting copper bar 2 is further arranged between the gun head 1 and the insulating plate 3, the outer sides of the two-side bolt one 9 are respectively sleeved with an insulating sleeve one 4 and an insulating sleeve two 7, at the same time, large washers 11 and spring washers 12 are respectively arranged between the bolt one 9 at both ends and the flanges of the gun body 6 and the connection places of the gun head 1 and the operating handle 8, and an insulating washer 5 is arranged between the nut one 10 and the flanges at both ends of the gun body 6.
[0026] The bottom of the gun body 6 near the operating handle 8 is welded with a hanging plate 23, and the burning-through copper stealing row two 17 is fixedly connected on the hanging plate 23 through the bolt two 14, the nut one 10, the large gasket 11 and the spring washer 12, and the bottom of the burning-through copper stealing row two 17 is connected with the burning-through busbar 22 on both sides, and the four groups of copper row hanging 13 are uniformly distributed on the side wall of the gun body 6 along the direction of the axis, and the burning-through copper stealing row one 16 is fixedly connected on the copper row hanging 13 through the bolt two 14, the nut one 10, the large gasket 11 and the spring washer 12, and the left end of the burning-through copper stealing row one 16 is fixed on the connecting copper row 2 through the bolt two 14, the nut one 10, the large gasket 11 and the spring washer 12, and the right end of the burning-through copper stealing row one 16 is fixed on the outer wall of the burning-through copper stealing row two 17 through the bolt four 18, the nut two 19, the gasket two 20 and the spring pad 21.
[0027] The inner wall of the flange at both ends of the gun body 6 is welded with a steel plate for counterweight, and the steel plate is arranged above the steel pipe, so that the gun body 6 is kept balanced.
[0028] The burning-through copper stealing row two 17 is arranged in a Z-shaped plate shape, and the gun head 1 is arranged in a U-shaped plate shape.
[0029] In specific use, the burning-through carbon rod is fixed on the gun head 1, then the burning-through switch is turned on to lead the current to the burning-through copper stealing row two 17 through the burning-through busbar 22, the current is led to the gun head 1 through the burning-through copper stealing row one 16, and then the current is led to the burning-through carbon rod through the gun head 1, and the whole burning-through copper stealing is aligned with the tuyere by the operator using the operating handle 8 to perform the tuyere burning-through, and with the current led to the burning-through carbon rod, the carbon rod and the electrode in the furnace chamber will arc to generate high temperature to melt the tuyere, so that the molten iron flows out of the furnace chamber.
[0030] The above describes the utility model and its implementation, which is not limited, and the drawings only show one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the utility model, without creative design, similar structure and embodiments of the technical scheme are designed, which should belong to the protection scope of the utility model.
Claims
1. A dry-type perforating gun for industrial silicon smelting furnaces, comprising a body (6) made of a steel pipe with flanges welded at both ends, characterized in that: The flange plates at both ends of the barrel (6) are connected with the gun head (1) and the operating handle (8) through bolt three (15) and bolt one (9) cooperating with nut one (10), and the flange plates at both ends of the barrel (6) and the gun head (1) and the operating handle (8) are provided with insulating plates (3), wherein the gun head (1) and the insulating plate (3) are further provided with a connecting copper bar (2), the outer sides of the bolt one (9) on both sides are respectively sleeved with insulating sleeve one (4) and insulating sleeve two (7), at the same time, the bolt one (9) is provided with large washers (11) and spring washers (12) between both ends and the flanges of the barrel (6) and the connecting places of the gun head (1) and the operating handle (8), and the nut one (10) is provided with insulating washers (5) between both ends of the barrel (6) and the flanges.
2. The dry cut-through gun for a silicon industrial furnace according to claim 1, characterized in that: The bottom of the barrel (6) near the operating handle (8) side is welded with a hanging rib hanging plate (23), the hanging rib hanging plate (23) is fixedly connected with a burn-through copper bar (17) through bolt two (14), nut one (10), large washer (11) and spring washer (12), both sides of the bottom of the burn-through copper bar (17) are connected with burn-through busbars (22), the barrel (6) side wall is uniformly provided with four groups of copper bar hanging (13) along the direction of axis extension, and the copper bar hanging (13) is fixedly connected with a burn-through copper bar (16) through bolt two (14), nut one (10), large washer (11) and spring washer (12), at the same time, the left end of the burn-through copper bar (16) is fixed on the connecting copper bar (2) through bolt two (14), nut one (10), large washer (11) and spring washer (12), and the right end of the burn-through copper bar (16) is fixed on the outer wall of the burn-through copper bar (17) through bolt four (18), nut two (19), washer two (20) and spring pad (21).
3. The dry cut-through gun for a silicon industrial furnace according to claim 2, characterized in that: The inner wall of the flange at both ends of the barrel (6) is welded with a steel plate for counterweight, at the same time, the steel plate is arranged above the steel pipe, so that the barrel (6) remains balanced.
4. The dry cut-through gun for a silicon industrial furnace according to claim 3, characterized in that: The burn-through copper bar (17) is provided in a Z-shaped plate shape.