Burner of drying furnace

Abstract

The utility model relates to the technical field of combustion engines, and particularly discloses a drying furnace combustion engine which comprises an engine body and further comprises a feeding pipe located at one end of the engine body, a gas inlet pipe located at one end of the engine body and a gas outlet pipe located at the other end of the engine body. The fuel distribution electromagnetic valve assembly is located in the machine body, and one end of the fuel distribution electromagnetic valve assembly communicates with the feeding pipe; the discharging pipe is located in the machine body, the discharging pipe communicates with the other end of the fuel distribution electromagnetic valve assembly, and an air inlet premixing pipe is installed at the other end of the discharging pipe; the radiant tube connector is located at the other end of the machine body, and the radiant tube connector communicates with the air inlet premixing tube; according to the drying furnace burner, the amount of fuel entering the discharging pipe is adjusted through the fuel distribution electromagnetic valve assembly so that the firepower can be conveniently controlled, and the radiant tube connector is connected with the radiant tube in the furnace so that the radiant tube can generate heat to generate high temperature so that workpieces in the furnace can be dried; a traditional hot air mode and a drying mode of an electric heating pipe are not needed, loss in the heat conversion process is reduced, and energy consumption of equipment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a drying furnace burner. Background Art

[0002] In the coating equipment industry, the traditional method is to use a burner to directly heat the air to form hot air, and then use the hot air to dry the powder and moisture on the surface of the workpiece. However, the hot air drying method has relatively higher requirements for the equipment and the heat conversion loss is high. Another drying method is to arrange multiple electric heating tubes to dry the workpiece in the furnace body at high temperature through the heat radiation of the electric heating tubes, but this method consumes relatively more electricity. Utility Model Content

[0003] In order to overcome the defects of the prior art, the utility model provides a drying furnace burner, aiming to solve the problems in the prior art.

[0004] The utility model solves the technical problem by adopting the following technical solution: a drying furnace burner, comprising a body, the drying furnace burner also comprising:

[0005] A feed pipe, which is located at one end of the machine body;

[0006] A fuel distribution solenoid valve assembly is located in the machine body, and one end of the fuel distribution solenoid valve assembly is connected to the feed pipe;

[0007] A discharge pipe is located in the machine body, the discharge pipe is connected to the other end of the fuel distribution solenoid valve assembly, and an air inlet premixing pipe is installed at the other end of the discharge pipe;

[0008] The radiation tube connector is located at the other end of the machine body, and the radiation tube connector is connected to the air inlet premixing pipe.

[0009] In the above-mentioned drying furnace burner, an element cavity is provided in the body, an air cavity is provided on one side of the element cavity, a fan cavity is provided at the upper end of the wind cavity, the fuel distribution solenoid valve assembly is installed in the element cavity, the discharge pipe and the air inlet premixing pipe are installed in the wind cavity, a fan is provided in the fan cavity, and the air outlet of the fan is connected to the wind cavity.

[0010] In the above-mentioned drying furnace burner, the fuel distribution solenoid valve assembly includes a low-fire solenoid valve and a high-fire slow-opening solenoid valve. A first three-way pipe is provided at one end of the feed pipe, and the low-fire solenoid valve and the high-fire slow-opening solenoid valve are both connected to the first three-way pipe. A low-fire manual linear valve is provided at one end of the low-fire solenoid valve away from the first three-way pipe, and the low-fire manual linear valve and the high-fire slow-opening solenoid valve are connected to the discharge pipe through a second three-way pipe.

[0011] In the above-mentioned drying furnace burner, a plurality of air inlet holes are provided on the wall of the air inlet premixing pipe.

[0012] In the above-mentioned drying furnace burner, an ignition pin is arranged in the radiation tube connector.

[0013] In the above-mentioned drying furnace burner, a handle is provided on the upper end of the machine body.

[0014] The beneficial effect of the utility model is that fuel is input through a feed pipe, and a fuel distribution solenoid valve assembly is used to adjust the amount of fuel entering the discharge pipe so as to control the size of the firepower. The fuel entering the discharge pipe enters the radiation tube connector, and at the same time, an air inlet premixing pipe is used to intake air so that air and fuel are mixed, and then ignited in the radiation tube connector. The radiation tube connector is used to connect the radiation tubes in the furnace, so that the fuel and air are burned in the radiation tubes, causing the radiation tubes to generate high temperature to dry the workpieces in the furnace. There is no need to use traditional hot air methods and electric heating tube drying methods, which reduces losses in the heat conversion process, reduces equipment energy consumption, and reduces electricity consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the drying furnace burner of the utility model.

[0016] Figure 2 It is a schematic diagram of the internal structure of the drying furnace burner of the utility model.

[0017] Figure 3 Schematic diagram of the connection structure of the feed pipe, fuel distribution solenoid valve assembly and radiation tube connector.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the radiation tube connector.

[0019] In the figure: machine body 1, feed pipe 2, radiation tube connector 3, handle 4, element chamber 5, wind chamber 6, fan chamber 7, fan 8, first three-way pipe 9, low-fire solenoid valve 10, low-fire manual linear valve 11, high-fire slow-opening solenoid valve 12, second three-way pipe 13, discharge pipe 14, air inlet premixing pipe 15, air inlet hole 16, ignition needle 17. DETAILED DESCRIPTION

[0020] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0021] Combination Figures 1 to 4The drying furnace burner shown in the figure comprises a machine body 1, and the drying furnace burner also comprises: a feed pipe 2, a fuel distribution solenoid valve assembly, a discharge pipe 14 and a radiation tube connector 3, wherein the feed pipe 2 is located at one end of the machine body 1; the fuel distribution solenoid valve assembly is located in the machine body 1, and one end of the fuel distribution solenoid valve assembly is connected to the feed pipe 2; the discharge pipe 14 is located in the machine body 1, and the discharge pipe 14 is connected to the other end of the fuel distribution solenoid valve assembly, and an air inlet premixing pipe 15 is installed at the other end of the discharge pipe 14; the radiation tube connector 3 is located at the other end of the machine body 1, and the radiation tube connector 3 is connected to the air inlet premixing pipe 15; in this embodiment, the feed pipe 2 is used to transport the air. The fuel is introduced and the amount of fuel entering the discharge pipe 4 is adjusted by the fuel distribution solenoid valve assembly to control the size of the firepower. The fuel entering the discharge pipe 4 enters the radiation tube connector 3. At the same time, the air inlet premixing pipe 15 is used to introduce air to mix the air and fuel, and then ignite in the radiation tube connector 3. The radiation tube connector 3 is used to connect the radiation tube in the furnace, so that the fuel and air burn in the radiation tube, causing the radiation tube to generate high temperature to dry the workpiece in the furnace. There is no need to use traditional hot air methods and electric heating tube drying methods, which reduces the loss in the heat conversion process, reduces the energy consumption of the equipment, and reduces the power consumption.

[0022] like Figure 2 As shown, in the present embodiment, an element cavity 5 is provided in the body 1, an air cavity 6 is provided on one side of the element cavity 5, a fan cavity 7 is provided on the upper end of the air cavity 6, a fuel distribution solenoid valve assembly is installed in the element cavity 5, a discharge pipe 14 and an air inlet premixing pipe 15 are installed in the air cavity 6, a fan 8 is provided in the fan cavity 7, and an air outlet of the fan 8 is connected with the air cavity 6; the air cavity 6 is blown by the fan 8 so that the inside of the air cavity 6 is filled with air, and since the discharge pipe 14 and the air inlet premixing pipe 15 are located in the air cavity 6, the air in the air cavity 6 is blown into the air inlet premixing pipe 15, so that the air and fuel are mixed for full combustion.

[0023] It is worth noting that a plurality of air inlet holes 16 are provided on the wall of the air inlet premixing tube 15 of this embodiment, so that air can enter the air inlet premixing tube 15 through the air inlet holes 16 and can be mixed with the fuel.

[0024] like Figure 3 As shown, the fuel distribution solenoid valve assembly of this embodiment includes a low-fire solenoid valve 10 and a high-fire slow-opening solenoid valve 12. A first three-way pipe 9 is provided at one end of the feed pipe 2. The low-fire solenoid valve 10 and the high-fire slow-opening solenoid valve 12 are both connected to the first three-way pipe 9. A low-fire manual linear valve 11 is provided at one end of the low-fire solenoid valve 10 away from the first three-way pipe 9. The low-fire manual linear valve 11 and the high-fire slow-opening solenoid valve 12 are connected to a discharge pipe 14 through a second three-way pipe 13. By switching the low-fire solenoid valve 10 and the high-fire slow-opening solenoid valve 12, the amount of fuel entering the discharge pipe 4 can be adjusted, thereby adjusting the firepower during combustion.

[0025] like Figure 4 As shown, an ignition needle 17 is provided in the radiant tube connector 3 of this embodiment, and the ignition needle 17 can be used to ignite the fuel mixed with air, thereby achieving combustion.

[0026] In order to facilitate the mobility of the burner of the drying furnace, a handle 4 is provided at the upper end of the body 1 in this embodiment, and the burner can be lifted and moved by the handle 4.

[0027] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A drying furnace burner, comprising a body (1), characterized in that: The drying furnace burner also includes: A feed pipe (2) located at one end of the machine body (1); A fuel distribution solenoid valve assembly, which is located in the engine body (1), and one end of the fuel distribution solenoid valve assembly is connected to the feed pipe (2); A discharge pipe (14) is located in the machine body (1), the discharge pipe (14) is connected to the other end of the fuel distribution solenoid valve assembly, and an air inlet premixing pipe (15) is installed at the other end of the discharge pipe (14); A radiant tube connector (3) is located at the other end of the machine body (1), and the radiant tube connector (3) is connected to the air inlet premixing pipe (15).

2. A drying furnace burner according to claim 1, characterized in that: The body (1) is provided with an element chamber (5), a wind chamber (6) is provided on one side of the element chamber (5), a fan chamber (7) is provided at the upper end of the wind chamber (6), the fuel distribution solenoid valve assembly is installed in the element chamber (5), the discharge pipe (14) and the air inlet premixing pipe (15) are installed in the wind chamber (6), a fan (8) is provided in the fan chamber (7), and an air outlet of the fan (8) is connected to the wind chamber (6).

3. A drying furnace burner according to claim 2, characterized in that: The fuel distribution solenoid valve assembly comprises a low-fire solenoid valve (10) and a high-fire slow-opening solenoid valve (12); a first three-way pipe (9) is provided at one end of the feed pipe (2); the low-fire solenoid valve (10) and the high-fire slow-opening solenoid valve (12) are both connected to the first three-way pipe (9); a low-fire manual linear valve (11) is provided at one end of the low-fire solenoid valve (10) away from the first three-way pipe (9); and the low-fire manual linear valve (11) and the high-fire slow-opening solenoid valve (12) are connected to a discharge pipe (14) via a second three-way pipe (13).

4. A drying furnace burner according to claim 2, characterized in that: A plurality of air inlet holes (16) are provided on the wall of the air inlet premixing pipe (15).

5. A drying furnace burner according to claim 1, characterized in that: An ignition needle (17) is arranged in the radiant tube connector (3).

6. A drying furnace burner according to claim 1, characterized in that: A handle (4) is provided at the upper end of the machine body (1).

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