Combustion device with multiple burners

Abstract

The utility model provides a combustion device with multiple burners, which relates to the technical field of combustion equipment, and comprises a mixing box, a switching mechanism capable of switching burners with different inner diameters is arranged on the front side of the mixing box, the switching mechanism comprises a supporting rod, the supporting rod is fixed with the outer surface of the mixing box, and the supporting rod is connected with the mixing box. And one end of the supporting rod is rotationally connected with a fixing plate. According to the multi-burner combustion device, the switching mechanism is arranged, the fixing plate is driven to rotate around the axis of the supporting rod according to different production requirements, the corresponding burner pipelines are attached to the gas outlet pipeline, then the inserting rods are inserted into the corresponding first limiting lug plate and the corresponding second limiting lug plate, and therefore limiting and fixing of the burner pipelines are completed; and the sealing gasket is arranged on the outer surface of the burner pipeline, the sealing performance between the burner pipeline and the gas outlet pipeline is guaranteed, the burner pipelines of various sizes are fixed to the fixing plate through the connecting plate, the device has multiple selectivity, and therefore the applicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to a combustion device, in particular to a multi-burner combustion device, belonging to the technical field of combustion equipment. Background Technique

[0002] A burner, also known as a combustion nozzle, is a combustion device used on industrial fuel furnaces, commonly known as the "nozzle for firing". Its main function is to distribute fuel and combustion-supporting air, and after spraying in a certain way, combustion occurs. There are various types of burners, including industrial furnace burners, gas burners, natural gas burners, etc., which are widely used in various industrial furnaces, such as roasting furnaces, rotary kilns, blast furnace gas burners, etc. The ignition methods of burners are divided into automatic ignition and manual ignition, which are suitable for different types of combustible gases.

[0003] According to different production requirements, the inner diameters of the burners required are different. However, the existing combustion devices usually only have one burner, and it is difficult to change the inner diameter of the burner, resulting in greater limitations in the use of the device. Moreover, most of the fuels in the existing combustion devices directly spray the fuel after high-pressure treatment, and it is difficult for the fuel to be fully mixed with air, resulting in incomplete combustion of the fuel and low fuel utilization rate. Content of the Utility Model

[0004] The utility model provides a multi-burner combustion device to solve the problems in the existing combustion devices that usually only have one burner, it is difficult to change the inner diameter of the burner, resulting in greater limitations in the use of the device, and the fuel in the device is difficult to be fully mixed with air, which will cause incomplete combustion of the fuel and low fuel utilization rate.

[0005] The utility model is realized through the following technical solutions: A multi-burner combustion device includes a mixing box. A conversion mechanism capable of switching burners with different inner diameters is provided on the front of the mixing box. The conversion mechanism includes a support rod, and the support rod is fixed to the outer surface of the mixing box. One end of the support rod is rotatably connected to a fixing plate. Equally spaced connecting plates are fixed to the outer surface of the fixing plate. Each connecting plate is fixed with a burner pipe on its outer surface, and the inner diameters of the multiple burner pipes are all different. An air outlet pipe is fixedly communicated with the outer surface of the mixing box, and the air outlet pipe is communicated with the corresponding burner pipe. A fuel adding mechanism for adding fuel into the mixing box is provided on the side of the mixing box. The fuel adding mechanism includes a storage tank, and the storage tank is fixed to the outer surface of the mixing box.

[0006] Specifically, two limiting ear plates I are fixed to the outer surface of the air outlet pipe, and two limiting ear plates II are fixed to the outer surface of each burner pipe. The limiting ear plates I and the limiting ear plates II are of the same size. When the burner pipe is communicated with the air outlet pipe, the limiting ear plate I will fit with the corresponding limiting ear plate II.

[0007] Specifically, a plug rod is inserted into each of the limiting ear plates I, and each plug rod is inserted into the corresponding limiting ear plate II. By inserting the plug rod into the corresponding limiting ear plates I and II, the limiting and fixing of the burner pipe are achieved, thereby ensuring the stability when the air outlet pipe is communicated with the burner pipe.

[0008] Specifically, an air delivery pipe is fixedly communicated with the upper part of the storage box. One end of the air delivery pipe is rotatably connected with a jet head. The inside of the air delivery pipe is communicated with the inside of the jet head. The inside of the jet head is provided with equally spaced jet holes. After the switch of the storage box is opened, the fuel can be ejected from the jet holes of the jet head through the air delivery pipe. The reaction force generated when the fuel is ejected obliquely from the jet holes can drive the jet head to rotate, so that the fuel can be evenly diffused in the mixing box.

[0009] Specifically, a preheating box is fixed on the outer surface of the air delivery pipe. Two electric heating blocks are fixed on the inner side wall of the preheating box. The preheating box is fixed on the upper surface of the mixing box. The fuel in the air delivery pipe can be preheated by the two electric heating blocks, thereby increasing the diffusion speed of the fuel, enabling the fuel to fully contact with the air, and thus improving the combustion efficiency of the device.

[0010] Specifically, a blast component is arranged on the side surface of the mixing box. The blast component includes a blast pump and a ventilation pipe. The ventilation pipe is communicated with the mixing box through the blast pump. The bottom surface of the blast pump is fixed to the mixing box. The blast pump can send the outside air into the mixing box and discharge the fuel mixed with the air through the air outlet pipe.

[0011] Specifically, four pulley support legs are fixed on the bottom surface of the mixing box. The four pulley support legs are respectively located at the four corners of the bottom surface of the mixing box. By arranging the pulley support legs, it is convenient for the staff to move the device to different working locations.

[0012] The utility model provides a multi-burner combustion device, and its beneficial effects are as follows:

[0013] 1. By setting a conversion mechanism, according to different production requirements, the fixed plate is driven to rotate around the axis of the support rod, so that the corresponding burner pipe is attached to the air outlet pipe, and then the plug rod is inserted into the corresponding limiting ear plate I and limiting ear plate II, thereby completing the limiting and fixing of the burner pipe. And a sealing gasket is arranged on the outer surface of the burner pipe, ensuring the sealing between the burner pipe and the air outlet pipe. Multiple sizes of burner pipes are fixed on the fixed plate through connecting plates, making the device have multiple selectivities, and thus improving the applicability of the device.

[0014] 2. For the fuel adding mechanism of this multi-burner combustion device, when the storage tank supplies materials to the mixing tank through the gas transmission pipeline, the two electric heating blocks can heat the gas transmission pipeline, so as to achieve the effect of preheating the fuel. And by setting multiple air injection holes on the air injection head, the fuel can be dispersed. Moreover, the reaction force generated when the fuel is ejected obliquely from the air injection holes can drive the air injection head to rotate, so that the fuel can be evenly diffused in the mixing tank, increasing the contact area between the fuel and the air and improving the utilization rate of the fuel. Description of the Drawings

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the whole of this utility model;

[0016] Figure 2 Of this utility model Figure 1 Enlarged view of part A;

[0017] Figure 3 It is a cross-sectional view of the inside of the mixing tank of this utility model;

[0018] Figure 4 It is a structural schematic diagram of the air injection head of this utility model.

[0019] Description of the Reference Numerals

[0020] 1. Mixing tank;

[0021] 2. Conversion mechanism; 201. Support rod; 202. Fixed plate; 203. Connecting plate; 204. Burner pipe; 205. Air outlet pipe; 206. Limit ear plate one; 207. Limit ear plate two; 208. Insert rod;

[0022] 3. Fuel adding mechanism; 301. Storage tank; 302. Gas transmission pipeline; 303. Air injection head; 304. Air injection holes; 305. Preheating box; 306. Electric heating block;

[0023] 4. Blowing assembly; 401. Blowing pump; 402. Ventilation pipe;

[0024] 5. Belt wheel support leg. Detailed Implementation Modes

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4, an embodiment of the utility model provides a multi-burner combustion device, which includes a mixing box 1. A conversion mechanism 2 capable of switching burners with different inner diameters is provided on the front surface of the mixing box 1. The conversion mechanism 2 includes a support rod 201, and the support rod 201 is fixed to the outer surface of the mixing box 1. One end of the support rod 201 is rotatably connected to a fixing plate 202. A plurality of connecting plates 203 are fixed on the outer surface of the fixing plate 202 at equal intervals. A burner pipe 204 is fixed on the outer surface of each connecting plate 203, and the inner diameters of the plurality of burner pipes 204 are all different. An air outlet pipe 205 is fixedly communicated with the outer surface of the mixing box 1, and the air outlet pipe 205 is communicated with the corresponding burner pipe 204. By driving the fixing plate 202 to rotate around the axis of the support rod 201, the burner pipe 204 with different inner diameters can be switched to communicate with the air outlet pipe 205. A sealing gasket is arranged on the outer surface of the burner pipe 204, which can ensure the sealing performance when the burner pipe 204 is in contact with the air outlet pipe 205, so that the device can select the burner pipe 204 according to different production requirements, making the device have multiple selectivities and improving the applicability of the device.

[0026] A fuel adding mechanism 3 for adding fuel into the mixing box 1 is provided on the side surface of the mixing box 1. The fuel adding mechanism 3 includes a storage tank 301, and the storage tank 301 is fixed to the outer surface of the mixing box 1. An air conveying pipe 302 is fixedly communicated with the upper part of the storage tank 301. One end of the air conveying pipe 302 is rotatably connected to a jet head 303, and the inside of the air conveying pipe 302 is communicated with the inside of the jet head 303. A plurality of jet holes 304 are arranged at equal intervals inside the jet head 303. After the switch of the storage tank 301 is opened, the fuel can be sprayed out from the jet holes 304 of the jet head 303 through the air conveying pipe 302. The reaction force generated when the fuel is sprayed obliquely from the jet holes 304 can drive the jet head 303 to rotate, so that the fuel can be evenly diffused in the mixing box 1. A preheating box 305 is fixed on the outer surface of the air conveying pipe 302, and two electric heating blocks 306 are fixed on the inner side wall of the preheating box 305. The preheating box 305 is fixed to the upper surface of the mixing box 1. The fuel in the air conveying pipe 302 can be preheated through the two electric heating blocks 306, so as to improve the diffusion speed of the fuel, enable the fuel to be in full contact with the air, and thus improve the combustion efficiency of the device.

[0027] Please refer to Figure 1 and Figure 2 , two limiting ear plates 206 are fixed on the outer surface of the air outlet pipe 205, and two limiting ear plates 207 are fixed on the outer surface of each burner pipe 204. The limiting ear plates 206 and 207 are of the same size. When the burner pipe 204 is communicated with the air outlet pipe 205, the limiting ear plate 206 will be in contact with the corresponding limiting ear plate 207.

[0028] Please refer toFigure 1 and Figure 2 , a plug rod 208 is inserted into the interior of each limiting ear plate 206, and each plug rod 208 is inserted into the corresponding limiting ear plate 207. By inserting the plug rod 208 into the corresponding limiting ear plate 206 and limiting ear plate 207, the limiting and fixing of the burner pipe 204 are achieved, thereby ensuring the stability when the gas outlet pipe 205 is communicated with the burner pipe 204.

[0029] Please refer particularly to Figure 1 , a blast component 4 is provided on the side of the mixing box 1. The blast component 4 includes a blast pump 401 and a ventilation pipe 402. The ventilation pipe 402 is communicated with the mixing box 1 through the blast pump 401. The bottom surface of the blast pump 401 is fixed to the mixing box 1. Through the blast pump 401, the outside air can be sent into the mixing box 1, and the fuel mixed with the air is discharged through the gas outlet pipe 205.

[0030] Please refer particularly to Figure 1 , four pulley support legs 5 are fixed to the bottom surface of the mixing box 1. The four pulley support legs 5 are respectively located at the four corners of the bottom surface of the mixing box 1. By providing the pulley support legs 5, it is convenient for the staff to move the device to different working locations.

[0031] Working principle: According to different production requirements, drive the fixed plate 202 to rotate around the axis of the support rod 201, so that the corresponding burner pipe 204 is attached to the gas outlet pipe 205, and then insert the plug rod 208 into the corresponding limiting ear plate 206 and limiting ear plate 207, thereby completing the limiting and fixing of the burner pipe 204. And a sealing gasket is provided on the outer surface of the burner pipe 204 to ensure the sealing between the burner pipe 204 and the gas outlet pipe 205. Multiple sizes of burner pipes 204 are fixed to the fixed plate 202 through the connecting plate 203, making the device have multiple selections, thereby improving the applicability of the device.

[0032] When the storage tank 301 supplies materials to the mixing box 1 through the gas transmission pipe 302, the two electric heating blocks 306 can heat the gas transmission pipe 302, thereby achieving the effect of preheating the fuel. And by providing a plurality of air holes 304 on the air jet head 303, the fuel can be dispersed, and through the reaction force generated when the fuel is ejected obliquely from the air holes 304, the air jet head 303 can be driven to rotate, so that the fuel can be evenly diffused in the mixing box 1, increasing the contact area between the fuel and the air and improving the utilization rate of the fuel.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed for the present utility model is defined by the appended claims and their equivalents.

Claims

1. A multiple burner combustion device, comprising a mixing box (1), characterized in that: The front of the mixing box (1) is provided with a conversion mechanism (2) capable of switching burners with different inner diameters, the conversion mechanism (2) comprising a support rod (201), the support rod (201) being fixed to the outer surface of the mixing box (1), one end of the support rod (201) being rotatably connected to a fixing plate (202), the outer surface of the fixing plate (202) being fixed with connecting plates (203) distributed at equal distances, and the outer surface of each connecting plate (203) being fixed with a burner pipe (201). 04), the inner diameters of the plurality of burner pipes (204) are all different, an air outlet pipe (205) is fixedly connected to the outer surface of the mixing box (1), and the air outlet pipe (205) is connected to the corresponding burner pipe (204), and a fuel adding mechanism (3) for adding fuel into the mixing box (1) is provided on the side of the mixing box (1), and the fuel adding mechanism (3) includes a storage box (301), and the storage box (301) is fixed to the outer surface of the mixing box (1).

2. A multiple burner combustion device according to claim 1, characterized in that: Two limiting ear plates (206) are fixed on the outer surface of the air outlet pipe (205), and two limiting ear plates (207) are fixed on the outer surface of each burner pipe (204).

3. A multiple burner combustion device according to claim 2, characterized in that: An insert rod (208) is inserted into the interior of each of the first limiting ear plates (206), and each of the insert rods (208) is inserted into the corresponding second limiting ear plate (207).

4. A multiple burner combustion device according to claim 1, characterized in that: The upper part of the material storage box (301) is fixedly connected to a gas pipeline (302), one end of which is rotatably connected to a nozzle (303), the interior of the gas pipeline (302) is connected to the interior of the nozzle (303), and the interior of the nozzle (303) is provided with nozzle holes (304) distributed at equal distances.

5. A multiple burner combustion device according to claim 4, characterized in that: A preheating box (305) is fixed on the outer surface of the gas transmission pipeline (302), two electric heating blocks (306) are fixed on the inner wall of the preheating box (305), and the preheating box (305) is fixed to the upper surface of the mixing box (1).

6. A multiple burner combustion device according to claim 1, characterized in that: A blower assembly (4) is provided on the side of the mixing box (1), and the blower assembly (4) comprises a blower pump (401) and a ventilation pipe (402). The ventilation pipe (402) is connected to the mixing box (1) through the blower pump (401), and the bottom surface of the blower pump (401) is fixed to the mixing box (1).

7. A multiple burner combustion device according to claim 1, characterized in that: Four wheeled support legs (5) are fixed to the bottom surface of the mixing box (1), and the four wheeled support legs (5) are respectively located at four corners of the bottom surface of the mixing box (1).

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