Kiln natural gas energy-saving nozzle for heat-resistant ceramic

Abstract

The utility model relates to the technical field of kiln porcelain burning, and provides a kiln natural gas energy-saving nozzle for heat-resistant ceramics, which comprises a nozzle main body, a connecting table is welded outside the nozzle main body, supports are welded on the periphery of the top end face of the connecting table, and a movable plate is mounted on each support through a damping rotating shaft; according to the kiln natural gas energy-saving nozzle for the heat-resistant ceramic, oxygen can be manufactured through the oxygen generator, conveyed into the oxygen inlet bin through the communicating pipe, conveyed to the gas outlet nozzle through the gas conveying pipe and sprayed outwards from the gas outlet nozzle, the combustion rate of natural gas can be effectively increased through gas with the high oxygen content, and then the energy-saving effect is achieved; meanwhile, the flame intensity can be improved, the temperature rising speed is increased, the gas outlet nozzle can be aligned to the flame spraying position of the nozzle body through the rotating shaft movable plate, oxygen sprayed out of the gas outlet nozzle can make better contact with the flame at the nozzle body, the combustion effect is further improved, and the use amount of natural gas is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of kiln firing porcelain, and in particular to a kiln natural gas energy-saving nozzle for heat-resistant ceramics. Background Art

[0002] A kiln is a furnace used to fire ceramics and sculptures or to fuse enamel to the surface of metal objects. It is usually made of bricks and stones and can be made into various sizes according to needs. It can be operated by combustible gas, oil or electricity. In the production of heat-resistant ceramics, a large amount of natural gas is required to complete the firing of ceramics, which increases the use of natural gas. Energy-saving nozzles are needed to reduce the consumption of natural gas.

[0003] A Chinese patent discloses a natural gas nozzle for heating and heat preservation of metallurgical furnaces, with the publication number CN215062039U. The article proposes "comprising an inlet pipe, an air mixing pipe, an air inlet valve and an outlet pipe connected in sequence, wherein the front end of the inlet pipe is provided with a circular opening, the circular opening is connected with an air inlet pipe, and the front end of the inlet pipe is also provided with an external thread for convenient connection of the nozzle; the front end of the inlet pipe is fixedly connected to the rear end of the air mixing pipe, the front end of the air mixing pipe is fixedly connected to the rear end of the air inlet valve, the front end of the air inlet valve is fixedly connected to the rear end of the outlet pipe, and the front end of the outlet pipe is densely covered with air outlet holes, through which the mixed combustible gas is discharged." The prior art utilizes air to enter the nozzle to improve the combustion effect of natural gas, but the oxygen content in the air only accounts for a small part, and the combustion-supporting effect is limited. In addition, the air wind force is too large, which can easily cause the flame to deviate, thereby affecting the use effect of the nozzle. Therefore, it is very necessary to design a natural gas energy-saving nozzle for heat-resistant ceramic kilns. Utility Model Content

[0004] The utility model aims to provide a natural gas energy-saving nozzle for a heat-resistant ceramic kiln, which solves the problems in the related art that the combustion-supporting effect of air is limited during use and the air wind force is too strong, which easily causes flame deviation.

[0005] The technical solution of the utility model is as follows:

[0006] A natural gas energy-saving nozzle for a heat-resistant ceramic kiln, comprising a nozzle body, a connecting platform welded to the outside of the nozzle body, and brackets are welded around the top end surface of the connecting platform, a movable plate is installed on the bracket through a damping shaft, and a telescopic groove is provided at one end of the movable plate, an air outlet nozzle is slidably installed in the telescopic groove, and a spring is provided at the bottom of the air outlet nozzle, and the other end of the spring is welded and fixed to the inner wall of the telescopic groove, a movable groove is provided at the other end of the movable plate, and a gas pipeline is plugged into the movable groove, one end of the gas pipeline extends into the telescopic groove and is plugged and connected with the air outlet nozzle, through openings are provided around the top end surface of the connecting platform, and the through openings are located below the bottom of the bracket, an oxygen inlet bin is provided below the bottom of the connecting platform, and the other end of the gas pipeline passes through the through opening and is plugged into the inside of the oxygen inlet bin, an oxygen generator is provided below the bottom of the oxygen inlet bin, and a connecting pipe is plugged into the output end of the oxygen generator, and the other end of the connecting pipe is plugged and connected with the bottom of the oxygen inlet bin, and an air inlet pipe is provided at the input end of the oxygen generator.

[0007] Preferably, the outer contour of the air outlet nozzle fits the inner contour of the telescopic slot, and the length of the spring is smaller than the movable slot.

[0008] Preferably, a filter cover is screwed on one end of the air inlet pipe away from the oxygen generator, and activated carbon is arranged inside the filter cover.

[0009] Preferably, a filter element is provided inside the oxygen inlet bin, the connecting pipe is a telescopic bellows, and the connecting pipe is made of a temperature-resistant material.

[0010] Preferably, a sealing ring is provided at the connection between the gas delivery pipe and the oxygen inlet bin, and a natural gas inlet is provided at the bottom of the nozzle body.

[0011] Preferably, ventilation holes are provided around the top of the nozzle body, and the positions of the four ventilation holes correspond to the four movable plates respectively.

[0012] Preferably, one end of the movable plate is in the shape of a semicircular groove, and the diameter of the semicircular groove is the same as the diameter of the nozzle body, and the size of the through opening is larger than the air delivery pipe.

[0013] Preferably, the filter element is formed by stacking a plurality of filter cloths, and the filter element is in a circular ring shape, and the outer wall of the filter element is in contact with the inner wall of the oxygen inlet chamber.

[0014] Beneficial effects of the utility model:

[0015] Oxygen can be produced by an oxygen generator and transported to the oxygen inlet chamber through a connecting pipe, and then transported to the air outlet nozzle through a gas pipe and ejected outward from the air outlet nozzle. The use of gas with a high oxygen content can effectively increase the combustion rate of natural gas, thereby saving energy. At the same time, it is beneficial to increase the flame intensity and accelerate the heating rate. The air outlet nozzle can be aligned with the flame of the nozzle body through the rotating shaft movable plate, so that the oxygen ejected from the air outlet nozzle can better contact with the flame at the nozzle body, further improving the combustion effect and reducing the use of natural gas. The air outlet nozzle can be protected by the telescopic slot when not in use to prevent debris from clogging the air outlet nozzle and affecting the air outlet effect of the air outlet nozzle.

[0016] The sealing ring can be used to increase the sealing between the gas pipe and the oxygen inlet chamber to prevent oxygen from escaping. The filter element can be used to perform secondary filtration on the produced oxygen to reduce impurities in the oxygen, which is beneficial to increase flame intensity and reduce natural gas consumption. The filter cover can be used to filter the air entering the oxygen generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is an isometric view of the entire utility model;

[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 3 This is an overall cross-sectional view of the utility model;

[0021] Figure 4 This is the overall front view of the utility model;

[0022] In the figure: 1. Nozzle body; 2. Connecting platform; 3. Bracket; 4. Movable plate; 5. Telescopic slot; 6. Air outlet nozzle; 7. Spring; 8. Movable slot; 9. Air pipe; 10. Through port; 11. Oxygen inlet chamber; 12. Connecting pipe; 13. Oxygen generator; 14. Air inlet pipe; 15. Filter cover; 16. Filter element; 17. Sealing ring; 18. Natural gas inlet; 19. Ventilation port. DETAILED DESCRIPTION

[0023] The following will be combined with 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 of 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.

[0024] like Figure 1-3As shown, this embodiment proposes a natural gas energy-saving nozzle for a heat-resistant ceramic kiln, comprising a nozzle body 1, a connecting platform 2 is welded to the outside of the nozzle body 1, and brackets 3 are welded to the top end surface of the connecting platform 2, a movable plate 4 is installed on the bracket 3 through a damping shaft, and a telescopic groove 5 is opened at one end of the movable plate 4, an air outlet nozzle 6 is slidably installed in the telescopic groove 5, and a spring 7 is provided at the bottom of the air outlet nozzle 6, the other end of the spring 7 is welded and fixed to the inner wall of the telescopic groove 5, a movable groove 8 is opened at the other end of the movable plate 4, and a gas pipe 9 is plugged into the movable groove 8, and one end of the gas pipe 9 extends into the telescopic groove 5 The top end surface of the connecting platform 2 is provided with a through hole 10, and the through hole 10 is located below the bottom of the bracket 3. An oxygen inlet bin 11 is provided below the bottom of the connecting platform 2, and the other end of the air delivery pipe 9 passes through the through hole 10 and is plugged into the inside of the oxygen inlet bin 11. An oxygen concentrator 13 is provided below the bottom of the oxygen inlet bin 11, and a connecting pipe 12 is plugged into the output end of the oxygen concentrator 13, and the other end of the connecting pipe 12 is plugged into the bottom of the oxygen inlet bin 11. An air inlet pipe 14 is provided at the input end of the oxygen concentrator 13. The outer contour of the air outlet nozzle 6 fits the inner contour of the telescopic slot 5, and the length of the spring 7 is less than the movable The filter cover 15 is screwed to the end of the air inlet pipe 14 away from the oxygen generator 13. The filter cover 15 is provided with activated carbon inside. The air entering the oxygen generator 13 can be filtered by the filter cover 15. The oxygen inlet bin 11 is provided with a filter element 16. The connecting pipe 12 is a telescopic bellows, and the connecting pipe 12 is made of a heat-resistant material. The filter element 16 can be used to perform secondary filtration on the produced oxygen to reduce impurities in the oxygen, which is beneficial to improve the flame intensity and reduce the consumption of natural gas. A sealing ring 17 is provided at the connection between the gas delivery pipe 9 and the oxygen inlet bin 11. A natural gas inlet 18 is provided at the bottom of the nozzle body 1. The sealing ring 17 can be used to increase the sealing between the gas pipe 9 and the oxygen inlet bin 11 to prevent oxygen from escaping. Ventilation holes 19 are provided around the top of the nozzle body 1, and the positions of the four vents 19 correspond to the four movable plates 4 respectively. The vents 19 can make the oxygen sprayed from the gas outlet nozzle 6 better contact with the flame at the nozzle body 1. One end of the movable plate 4 is in the shape of a semicircular groove, and the diameter of the semicircular groove is the same as the diameter of the nozzle body 1. The size of the through opening 10 is larger than the gas pipe 9. The filter element 16 is composed of multiple filter cloths stacked together, and the filter element 16 is in the shape of a ring. The outer wall of the filter element 16 fits the inner wall of the oxygen inlet bin 11.

[0025] In this embodiment, when in use, the nozzle body 1 is placed outside the heat-resistant ceramic, the natural gas inlet 18 is connected to the natural gas pipeline, and ignition is ignited at the top of the nozzle body 1, so that the nozzle body 1 can spray flames to achieve the effect of burning porcelain in the kiln. Oxygen can be produced by the oxygen generator 13, and the oxygen is transported to the oxygen inlet bin 11 through the connecting pipe 12. The produced oxygen can be secondary filtered by the filter element 16 to reduce impurities in the oxygen and ensure the combustion-supporting effect. The filtered oxygen is transported to the gas outlet nozzle 6 through the gas pipeline 9 and can be sprayed out from the gas outlet nozzle 6. The gas outlet nozzle 6 can be aligned with the vent 19 through the rotating shaft movable plate 4 to spray out. The oxygen can better contact with the flame at the nozzle body 1, thereby improving the combustion effect and reducing the use of natural gas. By rotating the movable plate 4, one end of the movable plate 4 is fitted with the outer wall of the nozzle body 1. Under the extrusion effect, the air outlet nozzle 6 can be retracted into the telescopic groove 5, and the air outlet nozzle 6 can be protected when not in use. The movable plate 4 is rotated again to separate it from the nozzle body 1. The compressed spring 7 will release the tension, and then the air outlet nozzle 6 will be pushed out of the telescopic groove 5. The sealing ring 17 can increase the sealing between the gas supply pipe 9 and the oxygen inlet bin 11 to prevent oxygen from escaping. The filter cover 15 can be used to filter the air entering the oxygen generator 13.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A natural gas energy-saving nozzle for a heat-resistant ceramic kiln, comprising a nozzle body (1), characterized in that: A connecting platform (2) is welded to the outside of the nozzle body (1), and brackets (3) are welded to the top end surface of the connecting platform (2) on all sides. A movable plate (4) is mounted on the bracket (3) via a damping shaft, and a telescopic groove (5) is provided at one end of the movable plate (4). An air outlet nozzle (6) is slidably mounted in the telescopic groove (5), and a spring (7) is provided at the bottom of the air outlet nozzle (6). The other end of the spring (7) is welded and fixed to the inner wall of the telescopic groove (5). A movable groove (8) is provided at the other end of the movable plate (4), and an air supply pipe (9) is plugged into the movable groove (8), and one end of the air supply pipe (9) extends to the telescopic groove (5). The connecting platform (2) is provided with a through opening (10) on all sides of the top end surface, and the through opening (10) is located below the bottom of the bracket (3). An oxygen inlet bin (11) is provided below the bottom of the connecting platform (2), and the other end of the gas delivery pipe (9) passes through the through opening (10) and is plugged into the inside of the oxygen inlet bin (11). An oxygen generator (13) is provided below the bottom of the oxygen inlet bin (11), and a connecting pipe (12) is plugged into the output end of the oxygen generator (13), and the other end of the connecting pipe (12) is plugged into and connected to the bottom of the oxygen inlet bin (11). An air inlet pipe (14) is provided at the input end of the oxygen generator (13).

2. A natural gas energy-saving nozzle for a heat-resistant ceramic kiln according to claim 1, characterized in that: The outer contour of the air outlet nozzle (6) fits the inner contour of the telescopic slot (5), and the length of the spring (7) is smaller than the movable slot (8).

3. A natural gas energy-saving nozzle for a heat-resistant ceramic kiln according to claim 1, characterized in that: A filter cover (15) is screwed onto one end of the air inlet pipe (14) away from the oxygen generator (13), and activated carbon is provided inside the filter cover (15).

4. A natural gas energy-saving nozzle for a heat-resistant ceramic kiln according to claim 1, characterized in that: A filter element (16) is provided inside the oxygen inlet bin (11), and the connecting pipe (12) is a telescopic bellows, and the connecting pipe (12) is made of a temperature-resistant material.

5. The natural gas energy-saving nozzle for a heat-resistant ceramic kiln according to claim 1, characterized in that: A sealing ring (17) is provided at the connection between the gas delivery pipe (9) and the oxygen inlet bin (11), and a natural gas inlet (18) is provided at the bottom of the nozzle body (1).

6. The natural gas energy-saving nozzle for a heat-resistant ceramic kiln according to claim 1, characterized in that: Ventilation holes (19) are provided on all four sides of the top of the nozzle body (1), and the positions of the four ventilation holes (19) correspond to the four movable plates (4) respectively.

7. The natural gas energy-saving nozzle for a heat-resistant ceramic kiln according to claim 1, characterized in that: One end of the movable plate (4) is in the shape of a semicircular groove, and the diameter of the semicircular groove is the same as the diameter of the nozzle body (1), and the size of the through opening (10) is larger than the air delivery pipe (9).

8. The natural gas energy-saving nozzle for a heat-resistant ceramic kiln according to claim 4, characterized in that: The filter element (16) is formed by stacking a plurality of filter cloths, and the filter element (16) is in a circular ring shape, and the outer wall of the filter element (16) is in contact with the inner wall of the oxygen inlet chamber (11).

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