Ceramic kiln combustion tube burner

Abstract

The utility model discloses a combustion tube burner of a ceramic kiln, and belongs to the technical field of ceramic kilns. The ceramic kiln combustion tube burner comprises a burner main body, a silicon carbide tube is arranged at one end of the burner main body, the silicon carbide tube comprises a tube body, one end of the burner main body is communicated with the tube body, a plurality of holes are formed in the outer wall of the tube body and distributed in a cross shape, a limiting frame is arranged in the burner main body, and the limiting frame is connected with the silicon carbide tube. A burner ignition electrode is installed in the limiting frame and comprises an electrode protection tube, one end of the electrode protection tube penetrates through the limiting frame and is connected with an electrode bar, the electrode bar is located in the silicon carbide tube, and the burner body comprises a shell and an inner tube. One end of the shell is communicated with one end of the inner pipe, and one end of the inner pipe is communicated with one end of the silicon carbide pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic kiln technical field, concretely is a ceramic kiln combustion pipe burner. BACKGROUND

[0002] At present, the ceramic kiln will exist the problem of big cross section temperature difference in high temperature area, the flame of the positive pressure big burner in this area kiln is more difficult to inject into the middle part of the kiln, which further leads to the generation of cross section temperature difference, and the cross section temperature difference will lead to uneven heating during the brick blank firing process, and the traditional way is to configure the lengthened silicon carbide sleeve at the outlet of the burner, so that the flame generated by combustion is sent into the kiln by the silicon carbide sleeve pipe, but the length of the silicon carbide sleeve used in this way is limited, and the problem of low temperature in the middle part of the kiln cannot be well solved. SUMMARY

[0003] In order to solve the problem that the existing burner is not conducive to reducing temperature difference, the utility model provides a ceramic kiln combustion pipe burner.

[0004] In view of the above problems, the technical scheme provided by the utility model is:

[0005] A ceramic kiln combustion pipe burner, comprising a burner main body, one end of the burner main body is provided with a silicon carbide pipe, the silicon carbide pipe comprises a pipe body, one end of the burner main body is communicated with the pipe body, a plurality of holes are formed in the outer wall of the pipe body, the plurality of holes are distributed in a cross shape, a limiting frame is arranged in the burner main body, a burner ignition electrode is mounted in the limiting frame, the burner ignition electrode comprises an electrode protection tube, one end of the electrode protection tube penetrates through the limiting frame and is connected with an electrode rod, and the electrode rod is located in the silicon carbide pipe.

[0006] Further, the burner main body comprises an outer shell and an inner tube, one end of the outer shell is communicated with one end of the inner tube, and one end of the inner tube is communicated with one end of the silicon carbide pipe.

[0007] The beneficial effects of the above further scheme are that the double-layer structure formed by the outer shell and the inner tube can isolate high temperature and protect external equipment, the inner tube can guide the flow of fuel gas, reduce heat loss, and enhance the durability and safety of the burner.

[0008] Further, the limiting frame comprises a center rod, the center rod is mounted on one side of the inner tube, one end of the center rod is connected with a perforated plate, and the perforated plate is located on one side of the inner tube.

[0009] The beneficial effects of the above further scheme are that the perforated plate can adjust the flow rate and distribution of fuel gas to make the combustion more stable, and the center rod can support the perforated plate to ensure its structural strength in a high temperature environment and avoid deformation affecting the combustion effect.

[0010] Furthermore, the outer wall of the burner body is provided with an air inlet pipe, the air inlet pipe includes a port, the outer wall of the outer shell is connected to the port, and a valve is installed on one side of the port.

[0011] The beneficial effect of adopting the above-mentioned further solution is that the valve of the air inlet pipe can adjust the gas input, and in conjunction with the airflow regulation function of the perforated plate, it can achieve precise control of combustion intensity and adapt to the needs of different working conditions of ceramic kilns.

[0012] Furthermore, one end of the electrode protection tube extends to the outside of the burner body and is connected to an electrode interface.

[0013] The advantages of adopting the above-mentioned further solutions are that it facilitates the connection of external gas pipelines, simplifies the installation and maintenance process of burners, and improves production efficiency.

[0014] Furthermore, a fixing plate is fitted on the outer wall of the burner body, the fixing plate comprising a plate component, and perforations are respectively provided at the four corners of the plate component.

[0015] The advantages of adopting the above-mentioned further solutions are that the burner body can be fixed with bolts to ensure that it is firmly installed on the kiln; the design of the plate enhances the connection stability between the burner and the kiln and adapts to the high-temperature vibration environment.

[0016] Furthermore, the silicon carbide tube has a connecting block installed at the end away from the burner body.

[0017] The advantages of adopting the above-mentioned further solutions are that the connecting block can be quickly connected with the internal structure of the kiln, reducing installation errors; and the sealing design can prevent gas leakage, improving the airtightness and safety of the kiln.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] This type of ceramic kiln combustion tube burner, through the combined use of silicon carbide tube, limiting frame and burner ignition electrode, allows the burner to spray hot airflow across the entire cross-section of the kiln, enhancing flue gas convection within the kiln and making the temperature distribution within the kiln more uniform. Specifically, the silicon carbide tube, which runs through the kiln wall, is placed inside the kiln, with evenly distributed openings on the tube body. The hot airflow generated after the burner burns can be sprayed out from the openings to heat the products inside the kiln. Because hot airflow also reaches the central area of ​​the kiln, the temperature field distribution within the kiln is more uniform, reducing the generation of cross-sectional temperature differences. Attached Figure Description

[0020] Figure 1 A three-dimensional schematic diagram of a ceramic kiln combustion tube burner provided for this utility model;

[0021] Figure 2 A schematic diagram showing the unfolded shape of a ceramic kiln combustion tube burner provided by this utility model;

[0022] Figure 3 A cross-sectional view of a limiting frame structure for a ceramic kiln combustion tube burner provided by this utility model;

[0023] Figure 4 A cross-sectional view of the ignition electrode structure of a ceramic kiln combustion tube burner provided by this utility model;

[0024] Figure 5 A cross-sectional view of the silicon carbide tube structure of a ceramic kiln combustion tube burner provided by this utility model.

[0025] In the diagram: 100, burner body; 1001, outer shell; 1002, inner tube; 200, silicon carbide tube; 2001, tube body; 2002, hole; 300, fixing plate; 3001, plate; 3002, perforation; 400, connecting block; 500, air inlet pipe; 5001, pipe opening; 5002, valve; 600, limit bracket; 6001, center rod; 6002, through plate; 700, burner ignition electrode; 7001, electrode protection tube; 7002, electrode rod; 7003, electrode interface. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1 - Figure 5This utility model provides a technical solution: a ceramic kiln combustion tube burner, including a burner body 100, a silicon carbide tube 200 at one end of the burner body 100, the silicon carbide tube 200 including a tube body 2001, one end of the burner body 100 connected to the tube body 2001, the outer wall of the tube body 2001 having a plurality of holes 2002 arranged in a cross shape, a limiting frame 600 inside the burner body 100, a burner ignition electrode 700 installed inside the limiting frame 600, the burner ignition electrode 700 including an electrode protection tube 7001, one end of the electrode protection tube 7001 penetrating the limiting frame 600 and connected to an electrode rod 70. 02. The electrode rod 7002 is located inside the silicon carbide tube 200. It is placed in the kiln through the silicon carbide tube 200 that runs through the kiln wall. The tube body 2001 has evenly distributed openings 2002. The hot gas flow generated after the burner is burning can be ejected from the openings 2002 to heat the products in the kiln. Because the hot gas flow also reaches the middle area of ​​the kiln, the temperature field distribution in the kiln is more uniform, reducing the generation of cross-sectional temperature difference. The silicon carbide tube 200 has a docking block 400 installed at the end away from the burner body 100. The docking block 400 facilitates quick docking with the internal structure of the kiln and reduces installation errors. Combined with the sealing design, it can prevent gas leakage and improve the airtightness and safety of the kiln.

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] As an embodiment of this utility model, the burner body 100 further includes a shell 1001 and an inner tube 1002. One end of the shell 1001 is connected to one end of the inner tube 1002, and one end of the inner tube 1002 is connected to one end of the silicon carbide tube 200. Through the double-layer structure formed by the shell 1001 and the inner tube 1002, the shell 1001 can isolate high temperature and protect external equipment; the inner tube 1002 guides the gas flow, reduces heat loss, and enhances the durability and safety of the burner. The limiting frame 600 includes a center rod 6001, which is installed on one side of the inner side of the shell 1001. One end of the center rod 6001 is inserted and connected to a through plate 6002. The perforated plate 6002 is located on one side of the inner tube 1002. The perforated plate 6002 can adjust the gas flow rate and distribution, making the combustion more stable. The central rod 6001 supports the perforated plate 6002, ensuring that it maintains its structural strength in a high-temperature environment and avoiding deformation that would affect the combustion effect. The outer wall of the burner body 100 is provided with an air inlet pipe 500. The air inlet pipe 500 includes a pipe port 5001. The outer wall of the outer shell 1001 is connected to the pipe port 5001. A valve 5002 is installed on one side of the pipe port 5001. The valve 5002 of the air inlet pipe 500 can adjust the gas input. Combined with the airflow adjustment function of the perforated plate 6002, it can achieve precise control of the combustion intensity and adapt to the needs of different working conditions of ceramic kilns.

[0030] As an embodiment of this utility model, one end of the electrode protection tube 7001 extends to the outside of the burner body 100 and is connected to an electrode interface 7003, which facilitates connection to an external gas pipeline, simplifies the installation and maintenance process of the burner, and improves production efficiency. The outer wall of the burner body 100 is fitted with a fixing plate 300, which includes a plate 3001. The four corners of the plate 3001 are respectively provided with through holes 3002, which can be used to fix the burner body 100 with bolts to ensure that it is firmly installed on the kiln. The design of the plate 3001 enhances the connection stability between the burner and the kiln and adapts to the high temperature vibration environment.

[0031] Specifically, the working principle of this ceramic kiln combustion tube burner is as follows: During use, the inlet 5001 of the air inlet pipe 500 of the burner body 100 is connected to the gas source, and the gas input can be precisely adjusted through the valve 5002. After the gas enters the space formed by the outer shell 1001 and the inner tube 1002 of the burner body 100, the flow rate and distribution of the gas are made more uniform after being adjusted by the through-hole plate 6002 on the limiting frame 600. The limiting frame 600 is supported by the through-hole plate 6002 by the central rod 6001 to ensure its structural stability. One end of the electrode protection tube 7001 of the burner ignition electrode 700 is connected to relevant external equipment through the electrode interface 7003 to provide combustion power. The heat generated by the combustion of the electrode protection tube 7001 is quickly conducted to the silicon carbide tube 200 through the electrode rod 7002. The silicon carbide tube 200 has several cross-shaped holes 2002 on its outer wall, which allow the gas and air to mix thoroughly and form a spiral airflow, promoting complete combustion. The burner body 100 is installed via a fixing plate 300 fitted onto its outer wall. The fixing plate 300 has holes 3002 at its four corners, which can be used to fix it to a suitable position in the kiln with bolts. A connecting block 400 is installed at the end of the silicon carbide tube 200 away from the burner body 100, facilitating quick and precise connection with the internal structure of the kiln and preventing gas leakage through a sealing design. Finally, the high-temperature heat generated by the burner is evenly released into the ceramic kiln, providing a stable and suitable temperature environment for ceramic firing.

Claims

1. A ceramic kiln combustion tube burner, characterized in that, The device includes a burner body (100), one end of which is provided with a silicon carbide tube (200). The silicon carbide tube (200) includes a tube body (2001). One end of the burner body (100) is connected to the tube body (2001). The outer wall of the tube body (2001) is provided with a plurality of holes (2002) arranged in a cross shape. The burner body (100) is provided with a limiting frame (600) inside. The limiting frame (600) is installed with a burner ignition electrode (700) inside. The burner ignition electrode (700) includes an electrode protection tube (7001). One end of the electrode protection tube (7001) passes through the limiting frame (600) and is connected to an electrode rod (7002). The electrode rod (7002) is located inside the silicon carbide tube (200).

2. The ceramic kiln combustion tube burner according to claim 1, characterized in that, The burner body (100) includes an outer shell (1001) and an inner tube (1002). One end of the outer shell (1001) is connected to one end of the inner tube (1002), and one end of the inner tube (1002) is connected to one end of the silicon carbide tube (200).

3. The ceramic kiln combustion tube burner according to claim 2, characterized in that, The limiting frame (600) includes a central rod (6001). The central rod (6001) is installed on one side of the inner shell (1001). One end of the central rod (6001) is connected to a through plate (6002). The through plate (6002) is located on one side of the inner tube (1002).

4. The ceramic kiln combustion tube burner according to claim 3, characterized in that, The outer wall of the burner body (100) is provided with an air inlet pipe (500), the air inlet pipe (500) includes a pipe opening (5001), the outer wall of the outer shell (1001) is connected to the pipe opening (5001), and a valve (5002) is installed on one side of the pipe opening (5001).

5. A ceramic kiln combustion tube burner according to claim 1, characterized in that, One end of the electrode protection tube (7001) extends to the outside of the burner body (100) and is connected to an electrode interface (7003).

6. The ceramic kiln combustion tube burner according to claim 1, characterized in that, The outer wall of the burner body (100) is fitted with a fixing plate (300), the fixing plate (300) includes a plate (3001), and the four corners of the plate (3001) are respectively provided with perforations (3002).

7. A ceramic kiln combustion tube burner according to claim 1, characterized in that, The silicon carbide tube (200) has a docking block (400) installed at the end away from the burner body (100).

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