Uniform heating device of kiln melting pool

Abstract

The utility model relates to the technical field of kiln heating, and discloses a uniform heating device of a kiln melting pool, which comprises a kiln body, and an air cylinder is arranged on the upper surface of the kiln body; through cooperation of the air cylinder, the uniform heating mechanism and the electric spark generator, the electric spark generator can conveniently ignite sprayed gas, the safety of gas ignition is improved, the gas is stored through a gas distribution cavity in a gas distribution box, then the gas is controlled to uniformly flow into an exhaust cavity through a gas outlet one-way valve, and the safety of gas ignition is improved. Fuel gas is evenly sprayed out through the air spraying taper pipes so that materials can be heated after the fuel gas is ignited, the flame columns can be evenly distributed through the multiple sets of air spraying taper pipes, the uniformity of the heated materials is guaranteed, heating dead angles are avoided, meanwhile, the even heating mechanism can be conveniently driven to ascend and descend through the air cylinder, and it is guaranteed that outer flames of the flame columns make contact with the materials; therefore, the material heating efficiency is improved, the heat loss is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of kiln heating, in particular to a uniform heating device for a kiln melting pool. Background Art

[0002] Glass kilns are developing rapidly. They all include four parts: glass melting, heat source supply, waste heat recovery and smoke exhaust and air supply. Glass kilns have different structures due to different heat sources. In the process of heating the kiln, the existing kiln heating method is generally to install a heating device on the inner wall of the kiln. The heating device bakes the material to be heated in the kiln from the side and heats the air in the kiln at the same time, so that the temperature in the kiln is kept within a certain range, so as to better heat the material to be heated.

[0003] In the prior art, the Chinese utility model with publication number: CN218955473U discloses a kiln heating device, including a kiln body, a heating groove is provided on the kiln body, and a plurality of side heating devices are respectively provided on both sides of the top of the heating groove, and the plurality of side heating devices are symmetrically arranged. A top heating device is provided on the top of the heating groove, a secondary mixing tank used in conjunction with the side heating device is provided on one side of the kiln body, and a main mixing tank used in conjunction with the top heating device is provided on the other side of the kiln body. The problem that the existing kiln heating device is not convenient for uniform heating is effectively solved; the practical side jet pipe and the top jet pipe spray gas downward, and form multiple rows of fire curtains under the action of the flame. The fire curtains are located on both sides of the material to be heated, and can evenly heat the object to be heated. At the same time, the formation of the fire curtain does not need to heat the air first, and can directly act on the object to be heated, thereby reducing the use of fuel and the consumption of resources.

[0004] The above technical solution heats up and melts the object to be melted by setting up multiple rows of jet pipes. The object in the direct range of the flame heats up rapidly. However, there will be an angle between the multiple rows of flame jets, which will lead to a poor heating effect on the object at the angle position. At the same time, the height of the heating device is not easy to adjust. When the height of the material to be heated is low, the range of the flame spray is limited, which reduces the heating effect on the material. Therefore, we need to propose a uniform heating device for the kiln melting pool. Utility Model Content

[0005] The purpose of the utility model is to provide a uniform heating device for a melting pool of a kiln, to expand the spray range of the flame, thereby making the material evenly heated and melted, and to improve the melting efficiency of the material. At the same time, it is convenient to adjust the heating height, thereby facilitating the adjustment of the spray distance of the flame, so that the outer flame with the highest flame temperature heats the material, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a uniform heating device for a melting pool of a kiln, comprising a kiln body, a cylinder is arranged on the upper surface of the kiln body, a telescopic end of the cylinder penetrates the kiln body and is equipped with a uniform heating mechanism, an electric spark generator is arranged on one side of the kiln body, a heating and melting groove is opened on the side of the kiln body adjacent to the electric spark generator, and the uniform heating mechanism is arranged on the top of the inner cavity of the heating and melting groove;

[0007] The uniform heating mechanism includes an air dividing box, wherein two groups of first partitions are fixedly connected to the inner cavity of the air dividing box, and multiple groups of second partitions are arranged on the opposite sides of the two groups of first partitions, and an air dividing cavity is formed between the two groups of first partitions and the air dividing box, and the air dividing box forms an exhaust cavity through the multiple groups of second partitions, and multiple groups of jet cone tubes connected to the exhaust cavity are arranged on the lower surface of the air dividing box, and a through pipe connecting the two groups of exhaust cavities is arranged on the opposite sides of the two groups of first partitions and the second partitions, and an air outlet one-way valve is arranged on the through pipe.

[0008] Preferably, a card hole for embedding the high-voltage lead of the power supply spark generator is opened on one side of the heating and melting tank, the gas distribution cavity and the multiple groups of exhaust cavities are vertically arranged, the multiple groups of through pipes are arranged at equal intervals, and the multiple groups of jet cone tubes are arranged in a rectangular array.

[0009] Preferably, a plurality of groups of stable telescopic rods are fixedly connected to the upper surface of the gas distribution box, and the upper ends of the plurality of groups of stable telescopic rods are fixedly connected to the top of the heating and melting tank, and two groups of guide rails are arranged at the bottom of the heating and melting tank.

[0010] Preferably, a connecting pipe connected to the gas distribution cavity is inserted on the upper surface of the gas distribution box, and the upper end of the connecting pipe is connected to a gas supply duct, and the gas outlet pipe of the gas supply duct passes through the kiln body and is arranged on the top of the heating and melting tank.

[0011] Preferably, an air inlet check valve is provided at the air outlet end of the air supply duct located outside the kiln body, a limiting groove is provided at the air outlet end of the inner cavity of the air supply duct, and a sealing plug slidably connected to the limiting groove is provided on the outer side of the upper end of the connecting pipe.

[0012] Preferably, a mixing tank is installed at the upper end of the other side of the kiln body, the air inlet end of the gas duct is plugged into the upper end of the mixing tank, one side of the mixing tank is connected to an air inlet pipe, and a gas pressure gauge is installed on the air inlet pipe.

[0013] Preferably, a waste heat return pipe is inserted into one end of the upper surface of the kiln body, the gas outlet end of the waste heat return pipe is located at the top of the heating and melting tank and is connected to a waste heat recovery pipe, and a plurality of waste heat discharge pipes are arranged at the lower end of the waste heat recovery pipe.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model mainly cooperates between a cylinder, a uniform heating mechanism and an electric spark generator. The electric spark generator facilitates ignition of the ejected gas, thereby improving the safety of igniting the gas. The gas is stored in the gas distribution cavity in the gas distribution box, and then the gas is controlled to flow evenly into the exhaust cavity through the gas outlet check valve. The gas is evenly ejected through the jet cone tube so that the material can be heated after the gas is ignited. The flame column is evenly distributed through multiple groups of jet cone tubes to ensure the uniformity of the heated material and avoid heating dead corners. At the same time, the cylinder facilitates the lifting and lowering of the uniform heating mechanism to ensure that the outer flame of the flame column contacts the material, thereby improving the heating efficiency of the material, reducing heat loss and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the gas delivery conduit of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the uniform heating mechanism of the utility model.

[0020] In the figure: 1. kiln body; 2. electric spark generator; 3. heating and melting tank; 4. guide rail; 5. waste heat reflux pipe; 6. waste heat recovery pipe; 7. waste heat discharge pipe; 8. mixing tank; 9. air inlet pipe; 10. gas pressure gauge; 11. gas transmission duct; 12. air inlet check valve; 13. limit groove; 14. connecting pipe; 15. sealing plug; 16. uniform heating mechanism; 161. gas distribution box; 162. jet cone; 163. first partition; 164. gas distribution cavity; 165. second partition; 166. exhaust cavity; 167. through pipe; 168. air outlet check valve; 17. cylinder; 18. stable telescopic rod; 19. clamping hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: a uniform heating device for a melting pool of a kiln, comprising a kiln body 1, a cylinder 17 is arranged on the upper surface of the kiln body 1, a telescopic end of the cylinder 17 penetrates the kiln body 1 and is installed with a uniform heating mechanism 16, an electric spark generator 2 is arranged on one side of the kiln body 1, a heating and melting groove 3 is opened on the side of the kiln body 1 adjacent to the electric spark generator 2, and the uniform heating mechanism 16 is arranged on the top of the inner cavity of the heating and melting groove 3;

[0023] The uniform heating mechanism 16 includes an air dividing box 161, and two groups of first partitions 163 are fixedly connected to the inner cavity of the air dividing box 161. Multiple groups of second partitions 165 are arranged on the opposite sides of the two groups of first partitions 163. An air dividing cavity 164 is formed between the two groups of first partitions 163 and the air dividing box 161. The air dividing box 161 forms an exhaust cavity 166 through the multiple groups of second partitions 165. Multiple groups of jet cones 162 connected to the exhaust cavity 166 are arranged on the lower surface of the air dividing box 161. Through pipes 167 connecting the two groups of exhaust cavities 166 are arranged on the opposite sides of the two groups of first partitions 163 and the second partitions 165, and an exhaust check valve 168 is arranged on the through pipe 167.

[0024] A card hole 19 for embedding the high-voltage lead of the power supply spark generator 2 is provided on one side of the heating and melting tank 3. The gas division cavity 164 and the multiple groups of exhaust cavities 166 are vertically arranged, the multiple groups of through pipes 167 are arranged at equal intervals, and the multiple groups of jet cones 162 are arranged in a rectangular array. The electric spark generator 2 is used to generate high-voltage current to ignite the fuel gas to generate a flame column to heat the material, and the gas division cavity 164 is connected with the multiple groups of exhaust cavities 166 through the through pipe 167 to evenly distribute the fuel gas, so that the jet cone 162 can evenly spray, thereby improving the uniformity of heating the material.

[0025] The upper surface of the gas distribution box 161 is fixedly connected with multiple groups of stable telescopic rods 18, and the upper ends of the multiple groups of stable telescopic rods 18 are fixedly connected to the top of the heating and melting tank 3. Two groups of guide rails 4 are arranged at the bottom of the heating and melting tank 3. The stable telescopic rods 18 are used to improve the stability of the lifting and lowering of the gas distribution box 161.

[0026] A connecting pipe 14 connected to the gas distribution cavity 164 is inserted on the upper surface of the gas distribution box 161, and a gas supply duct 11 is connected to the upper end of the connecting pipe 14. The gas outlet pipe of the gas supply duct 11 passes through the kiln body 1 and is arranged on the top of the heating and melting tank 3. The gas supply duct 11 facilitates the gas in the mixing tank 8 to be ventilated to the inside of the gas distribution box 161 through the connecting pipe 14, and the structure is simple.

[0027] An air inlet check valve 12 is provided at the air outlet end of the gas duct 11 located on the outside of the kiln body 1, a limiting groove 13 is provided at the air outlet end of the inner cavity of the gas duct 11, and a sealing plug 15 slidably connected to the limiting groove 13 is provided on the outer side of the upper end of the connecting pipe 14. The sealing plug 15 and the limiting groove 13 improve the air tightness of the connection between the connecting pipe 14 and the gas duct 11, thereby facilitating the air tightness between the two when the gas distribution box 161 is raised or lowered.

[0028] A mixing tank 8 is installed at the upper end of the other side of the kiln body 1, and the air inlet end of the gas duct 11 is plugged into the upper end of the mixing tank 8. One side of the mixing tank 8 is connected to an air inlet pipe 9, and a gas pressure gauge 10 is installed on the air inlet pipe 9. The gas pressure gauge 10 is used to monitor the air pressure in the mixing tank 8. When the gas reaches the threshold, the air inlet check valve 12 is controlled to open to inflate the air box 161.

[0029] A waste heat reflux pipe 5 is inserted into one end of the upper surface of the kiln body 1. The gas outlet end of the waste heat reflux pipe 5 is located at the top of the heating and melting tank 3 and is connected to a waste heat recovery pipe 6. A plurality of waste heat discharge pipes 7 are arranged at the lower end of the waste heat recovery pipe 6. The waste heat reflux pipe 5 is used to recover the waste heat after the material is heated, thereby facilitating the preheating of the material to be heated and improving the heating effect of the material.

[0030] When in use, the mixing tank 8 is filled with gas through the inlet pipe 9, and then the gas is controlled by the inlet check valve 12 to enter the gas chamber 164 of the gas box 161 through the connecting pipe 14, and the gas chamber 164 is controlled to communicate with the exhaust chamber 166 through the multiple groups of gas outlet check valves 168 on the through pipes 167, so that the gas is introduced into the exhaust chamber 166 and ejected from the jet cone 162, and then ignited by the electric spark generator 2, so as to ignite the gas, thereby generating a flame column to heat the material. The multiple groups of jet cones 162 improve the spray efficiency. The range of the flame is increased, thereby improving the uniform heating effect of the material and improving the convenience. The material enters the heating and melting tank 3 for heating. The waste heat reflux pipe 5 recovers the waste heat of the melted material into the waste heat recovery pipe 6. The incoming material is preheated through the waste heat discharge pipe 7 to improve the material heating effect. When there is a lot of material, the cylinder 17 drives the uniform heating mechanism 16 to rise, otherwise the uniform heating mechanism 16 descends, thereby ensuring that the outer flame of the flame ejected from the jet cone 162 contacts the material, thereby improving the heating and melting efficiency of the material.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A uniform heating device for a melting pool of a kiln, comprising a kiln body (1), characterized in that: A cylinder (17) is arranged on the upper surface of the kiln body (1), the telescopic end of the cylinder (17) penetrates the kiln body (1) and is installed with a uniform heating mechanism (16), an electric spark generator (2) is arranged on one side of the kiln body (1), a heating and melting groove (3) is opened on the side of the kiln body (1) adjacent to the electric spark generator (2), and the uniform heating mechanism (16) is arranged on the top of the inner cavity of the heating and melting groove (3); The uniform heating mechanism (16) comprises an air distribution box (161), the inner cavity of which is fixedly connected with two groups of first partitions (163), and multiple groups of second partitions (165) are arranged on opposite sides of the two groups of the first partitions (163), and an air distribution cavity (164) is formed between the two groups of first partitions (163) and the air distribution box (161), and the air distribution box (161) forms an exhaust cavity (166) through the multiple groups of second partitions (165), and the lower surface of the air distribution box (161) is provided with multiple groups of jet cones (162) connected with the exhaust cavity (166), and the two groups of the first partitions (163) and the second partitions (165) are arranged on opposite sides thereof. Through pipes (167) connecting the two groups of exhaust cavities (166) are arranged, and an exhaust check valve (168) is arranged on the through pipe (167).

2. The uniform heating device for a melting pool of a kiln according to claim 1, characterized in that: A clamping hole (19) for embedding a high-voltage lead of a power supply spark generator (2) is provided on one side of the heating and melting tank (3); the gas separation chamber (164) and the multiple groups of exhaust chambers (166) are arranged vertically; the multiple groups of through pipes (167) are arranged at equal intervals; and the multiple groups of jet cone tubes (162) are arranged in a rectangular array.

3. The uniform heating device for a melting pool of a kiln according to claim 2, characterized in that: The upper surface of the gas distribution box (161) is fixedly connected to a plurality of groups of stable telescopic rods (18), and the upper ends of the plurality of groups of stable telescopic rods (18) are fixedly connected to the top of the heating and melting tank (3), and two groups of guide rails (4) are arranged at the bottom of the heating and melting tank (3).

4. The uniform heating device for a melting pool of a kiln according to claim 3, characterized in that: A connecting pipe (14) connected to the gas distribution chamber (164) is inserted on the upper surface of the gas distribution box (161), and the upper end of the connecting pipe (14) is connected to a gas supply conduit (11). The gas outlet pipe of the gas supply conduit (11) passes through the kiln body (1) and is arranged on the top of the heating and melting tank (3).

5. The uniform heating device for a melting pool of a kiln according to claim 4, characterized in that: The gas outlet end of the gas delivery conduit (11) located outside the kiln body (1) is provided with an air inlet check valve (12), the gas outlet end of the inner cavity of the gas delivery conduit (11) is provided with a limit groove (13), and the outer side of the upper end of the connecting pipe (14) is provided with a sealing plug (15) slidably connected to the limit groove (13).

6. The uniform heating device for a melting pool of a kiln according to claim 5, characterized in that: A mixing tank (8) is installed at the upper end of the other side of the kiln body (1), and the air inlet end of the gas supply conduit (11) is plugged into the upper end of the mixing tank (8). One side of the mixing tank (8) is connected to an air inlet pipe (9), and a gas pressure gauge (10) is installed on the air inlet pipe (9).

7. The uniform heating device for a melting pool of a kiln according to claim 1, characterized in that: A waste heat return pipe (5) is inserted into one end of the upper surface of the kiln body (1), the gas outlet end of the waste heat return pipe (5) is located at the top of the heating and melting tank (3) and is connected to a waste heat recovery pipe (6), and a plurality of waste heat discharge pipes (7) are arranged at the lower end of the waste heat recovery pipe (6).

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