A burner for projecting a coloured flame

Abstract

This invention belongs to the field of burner technology, specifically disclosing a burner that sprays colored flames, including a base plate and a storage tank. The storage tank is installed on the right side of the top of the base plate, and multiple sets of feed valves are installed on the surface of the storage tank. The interior of the storage tank has multiple cavities. Flow control valves are installed on the front, back, left, and right sides of the top of the storage tank, and suction pipes are installed inside the flow control valves. This burner that sprays colored flames solves the problem of a single flame color by spraying different colored flames through the multiple cavities inside the storage tank and the feed valves around it. A certain proportion of metal solution and oxygen-enriched gas containing combustion aid is injected into different cavities through the feed valves around the tank. By activating different flow control valves, a certain proportion of metal solution and oxygen-enriched gas is introduced into a mixing tank for storage through a disc, a material pump, and a conveying pipe.

Description

Technical Field

[0001] This invention relates to the field of burner technology, specifically to a burner that sprays colored flames. Background Technology

[0002] A burner is a device that burns fuel by means of air-assisted combustion. It sprays flames through a spray gun or spray plate for people to use. Its outer shell is mostly made of titanium alloy or stainless steel, which is both corrosion-resistant and high-temperature resistant, preventing the burner from burning out during long-term combustion operation. It has low noise and the direction of the flame spray can also be adjusted.

[0003] However, traditional flame burners can only spray a single color of flame, and they can only transport a single type of fuel, which cannot meet the requirements of spraying multi-colored flames. They also cannot store more fuel, and if the device needs to be moved, additional materials need to be carried, which is quite inconvenient.

[0004] Now, a novel burner that sprays colored flames is proposed to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a burner that sprays colored flames to solve the problem of the single color of the flame mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A burner that sprays colored flames includes a base plate and a storage tank. The storage tank is installed on the right side of the top of the base plate, and multiple sets of feed valves are installed on the surface of the storage tank. The interior of the storage tank has multiple independent cavities, into which different metal solutions and oxygen-enriched gases are injected. Multiple flow control valves are installed on the top of the storage tank, and suction tubes are installed inside the flow control valves. A disc is installed between the top ends of the suction tubes, and a material pump is fixed to the top of the disc. A delivery pipe is fixed to the output end of the material pump. A support column is fixed to the left side of the top of the base plate, and a mixing box is installed above the support column. A flame spraying disc is installed on the left side of the mixing box, and a combustion nozzle, which is a high-pressure nozzle, is provided on the flame spraying disc. A gas supply pipeline is provided on the side of the flame spraying disc. One end of the gas supply pipeline is connected to a gas supply source, and the other end is provided with a gas injection nozzle. The gas injection nozzle is close to the combustion nozzle, and a flow control valve is provided at the gas injection nozzle. An ignition device is provided on the flame spraying disc.

[0008] As a further technical solution of the present invention, the straw is embedded in the cavity, and the straw is connected to the delivery tube by means of the disc body.

[0009] As a further technical solution of the present invention, a bracket is installed on the right side of the outside of the mixing box, and a motor is installed above the top of the bracket. A gear disc is movably connected below the top of the bracket, and a gear disc is movably connected to the left side of the bracket. A stirring rod is movably connected to the center of the right side inside the mixing box, and a groove is provided at the center of the stirring rod. The conveying pipe is movably connected to the gear disc. The bottom of the output end of the motor is fixedly connected to the gear disc. The gear disc is meshed with the upper right corner of the gear disc. The left side of the gear disc is fixedly connected to the stirring rod, and the conveying pipe is connected to the stirring rod via the gear disc.

[0010] As a further technical solution of the present invention, a housing is fixed to the top of the flame disk, and a hollow gear is movably connected to the center of the housing. A transmission gear is movably connected to the upper part of the housing. A motor is installed in the upper right corner of the housing. A cylinder is horizontally fixed inside the hollow gear, and a piston rod is fixed to the left side of the cylinder. A connecting rod is fixed to the left side of the piston rod, and a brush is installed below the connecting rod. A spring is installed between the connecting rod and the cylinder.

[0011] As a further technical solution of the present invention, the spring is wound around the outside of the piston rod, and the piston rod pushes the connecting rod horizontally left and right.

[0012] As a further technical solution of the present invention, the output end of the second motor is fixedly connected to the transmission gear, and the cylinder rotates horizontally in the housing along with the hollow gear.

[0013] As a further technical solution of the present invention, the metal solution includes red liquid fuel and yellow liquid fuel.

[0014] As a further technical solution of the present invention, the red liquid fuel is a strontium chloride composite solution, and the yellow liquid fuel is a sodium nitrate composite solution.

[0015] As a further technical solution of the present invention, the strontium chloride composite solution comprises, by mass fraction, 60-80% ethanol, 15-35% water and 5% strontium chloride; the sodium nitrate composite solution comprises, by mass fraction, 60-80% ethanol, 15-35% water and 5% sodium nitrate.

[0016] As a further technical solution of the present invention, it also includes an electronic control system. The electronic control system is electrically connected to the combustion nozzle, the gas injector, and each flow control valve, and can control the flow rate of each flow control valve and the injection pressure of the combustion nozzle and the gas injector, respectively. The electronic control system stores flame color data, which includes at least the mapping relationship between different flame colors and different ratios, flow rates, and injection pressures of the metal solution, gas, and oxygen-enriched gas. Based on a specified flame color and the flame color data, the electronic control system controls each flow control valve to allocate different flow rates of the metal solution, gas, and oxygen-enriched gas, and controls the injection pressure of the combustion nozzle and the gas injector. The control method is as follows:

[0017] (1) Color Analysis:

[0018] A. Enter the target flame color;

[0019] B. Use the flame color database for spectral matching;

[0020] C. Output metal solution combination scheme;

[0021] (2) Calculate the flow requirements of each component based on the proportioning scheme.

[0022] a) Metal solution flow rate Qm=km×S×√(ΔP / ρ);

[0023] b) Oxygen-enriched gas flow rate Qo=α×Qm^β;

[0024] c) Gas flow rate Qg=γ×(Qm+Qo);

[0025] Where Qm is the flow rate of the molten metal, km is the solution characteristic coefficient, S is the effective cross-sectional area of ​​the flow channel, ΔP is the difference between the pressure of the molten metal in the storage tank and the pressure in the external combustion zone, ρ is the density of the molten metal; Qo is the flow rate of the oxygen-enriched gas, α is the oxidation reaction proportionality coefficient, β is the oxidation reaction nonlinearity index; Qg is the fuel gas flow rate, and γ is the calorific value compensation coefficient.

[0026] As a further technical solution of the present invention, the electronic control system further includes a monitoring component; the monitoring component is used to monitor and capture flame images at the combustion nozzle, and obtain quantified flame color values ​​based on the flame images;

[0027] The electronic control system performs feedback control on the combustion nozzle, gas injector, and each flow control valve based on the difference between the flame color value and the flame color data.

[0028] Compared with the prior art, the beneficial effects of the present invention are: the burner that sprays colored flames not only enriches the flame color and achieves rapid mixing of the materials required for combustion, but also cleans the flame area;

[0029] (1) By setting four cavities inside the storage tank, metal solution containing combustion aid and oxygen-enriched gas are injected into different cavities through the feed valves around the perimeter. Different flow control valves are activated to introduce a certain proportion of metal solution and oxygen-enriched gas into the mixing tank through the disc, material pump and conveying pipe for storage. Then, flames of different colors are sprayed out through the flame plate on the left side. Different metal solutions are stored in different storage cavities, and different dosages are adjusted during the spray combustion, which is convenient for manual control.

[0030] (2) By installing a mixing box above the support column, starting motor one, rotating toothed disc one in the bracket, pushing toothed disc two on the left side to rotate, and driving the stirring rod fixedly connected to toothed disc two to rotate in the mixing box. The groove on the surface of the stirring rod facilitates the discharge of material from the connected conveying pipe, pre-mixing different metal solutions and gases stored here, facilitating the delivery of fuel to the flame plate on the left side. The mixing method does not affect the material transfer.

[0031] (3) By installing a brush disc below the connecting rod, starting the motor and rotating the transmission gear, the hollow gear at the bottom and the internal cylinder rotate back and forth together, guiding the brush disc installed on the left connecting rod to scrape and clean along the surface of the flame plate, preventing condensed material from clogging the combustion nozzle. When in use, the brush disc is removed. Under the restriction of the spring, the distance between the brush disc and the flame plate can be adjusted by the piston rod of the cylinder to avoid the distance being too far and affecting the cleaning effect. Attached Figure Description

[0032] Figure 1 This is a frontal cross-sectional view of the present invention.

[0033] Figure 2 This is a top view cross-sectional structural diagram of the storage box of the present invention;

[0034] Figure 3 This is a front cross-sectional view of the mixing tank of the present invention;

[0035] Figure 4 For the present invention Figure 1 A magnified schematic diagram of a partial cross-section at point A in the middle.

[0036] In the diagram: 1. Base plate; 2. Support column; 3. Storage bin; 4. Cavity; 5. Feed valve; 6. Flow control valve; 7. Suction pipe; 8. Disc; 9. Material pump; 10. Conveying pipe; 11. Motor 1; 12. Mixing box; 13. Stirring rod; 14. Flame spray disc; 15. Connecting rod; 16. Brush disc; 17. Groove; 18. Support; 19. Gear disc 1; 20. Gear disc 2; 21. Cylinder; 22. Spring; 23. Piston rod; 24. Housing; 25. Transmission gear; 26. Motor 2; 27. Hollow gear. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Please see Figure 1-4 One embodiment of the present invention provides a burner for spraying colored flames, comprising a base plate 1 and a storage tank 3. The storage tank 3 is installed on the right side of the top of the base plate 1, and multiple sets of feed valves 5 are installed on the surface of the storage tank 3. The interior of the storage tank 3 is provided with multiple sets of independent cavities 4, and different metal solutions and oxygen-enriched gases are injected into different cavities through the multiple feed valves. Multiple flow control valves 6 are installed at the top of the storage tank 3, and suction tubes 7 are installed inside the flow control valves 6. A disc body 8 is installed between the top ends of the suction tubes 7, and an object is fixed to the top end of the disc body 8. The material pump 9 has a conveying pipe 10 fixed at its output end. A support column 2 is fixed on the left side of the top of the base plate 1, and a mixing box 12 is installed above the support column 2. A flame spray plate 14 is installed on the left side of the mixing box 12. A combustion nozzle is provided on the flame spray plate 14. The combustion nozzle is a high-pressure nozzle. A gas supply pipeline is provided on the side of the flame spray plate 14. One end of the gas supply pipeline is connected to a gas supply source, and the other end is provided with a gas injector. The gas injector is close to the combustion nozzle, and a flow control is provided at the gas injector. An ignition device is provided on the flame spray plate.

[0039] The straw 7 is embedded in the cavity 4, and the straw 7 is connected to the delivery tube 10 via the disc body 8;

[0040] It also includes an electronic control system, which is electrically connected to the combustion nozzle, gas injector, and each flow control valve, and can control the flow rate of each flow control valve and the injection pressure of the combustion nozzle and gas injector. The electronic control system stores flame color data, which includes at least the mapping relationship between different flame colors and different ratios, flow rates, and injection pressures of the metal solution, gas, and oxygen-enriched gas. Based on a specified flame color and the flame color data, the electronic control system controls each flow control valve to allocate different flow rates of the metal solution, gas, and oxygen-enriched gas, and controls the injection pressure of the combustion nozzle and gas injector. The control method is as follows:

[0041] (1) Color Analysis:

[0042] A. Enter the target flame color;

[0043] B. Use the flame color database for spectral matching;

[0044] C. Output metal solution combination scheme;

[0045] (2) Calculate the flow requirements of each component based on the proportioning scheme.

[0046] a) Metal solution flow rate Qm=km×S×√(ΔP / ρ);

[0047] b) Oxygen-enriched gas flow rate Qo=α×Qm^β;

[0048] c) Gas flow rate Qg=γ×(Qm+Qo);

[0049] Where Qm is the flow rate of the molten metal, km is the solution characteristic coefficient, S is the effective cross-sectional area of ​​the flow channel, ΔP is the difference between the pressure of the molten metal in the storage tank and the pressure in the external combustion zone, ρ is the density of the molten metal; Q_o is the flow rate of the oxygen-enriched gas, α is the oxidation reaction proportionality coefficient, β is the oxidation reaction nonlinearity index; Qg is the fuel gas flow rate, and γ is the calorific value compensation coefficient.

[0050] The electronic control system also includes a monitoring component; the monitoring component is used to monitor and capture flame images at the combustion nozzle, and obtain quantified flame color values ​​based on the flame images; the electronic control system performs feedback control on the combustion nozzle, gas injector and each flow control valve based on the difference between the flame color values ​​and the flame color data.

[0051] Specifically, such as Figure 1 and Figure 2 As shown, through the feed valves 5 around the perimeter, metal solutions containing combustion aids and oxygen-enriched gas are injected into different cavities 4 respectively. The corresponding flow control valves 6 are activated to introduce a certain proportion of metal solutions and oxygen-enriched gas into the mixing tank 12 for storage through the disc 8, material pump 9 and conveying pipe 10. Then, flames of different colors are sprayed out through the flame spray disc 14 on the left. Different metal solutions and oxygen-enriched gases are stored in different cavities 4. During the injection combustion, different doses of metal solutions are drawn out and flowed into the mixing tank for mixing. Then, they are guided together into the combustion nozzle of the flame spray disc 14. The gas is also supplied from the side of the gas supply pipeline to the gas injector. The combustion nozzle and the gas injector spray simultaneously, and the combustion nozzle sprays out in a mist. Then, they are ignited at the same time, thus forming a colored flame during combustion.

[0052] A bracket 18 is installed on the right side of the outside of the mixing box 12, and a motor 11 is installed above the top of the bracket 18. A gear 19 is movably connected to the bottom of the top of the bracket 18, and a gear 20 is movably connected to the left side of the bracket 18. A stirring rod 13 is movably connected to the center of the right side inside the mixing box 12, and a slot 17 is provided at the center of the rod body of the stirring rod 13. The conveying pipe 10 is movably connected to the gear 20. The bottom of the output end of the motor 11 is fixedly connected to the gear 19. The gear 19 is meshed with the upper right corner of the gear 20. The left side of the gear 20 is fixedly connected to the stirring rod 13. The conveying pipe 10 is connected to the stirring rod 13 through the gear 20.

[0053] Specifically, such as Figure 1 and Figure 3 As shown, the motor 11 is started, and the gear disk 19 rotates in the bracket 18, which pushes the gear disk 20 on the left side to rotate, and drives the stirring rod 13, which is fixedly connected to the gear disk 20, to rotate in the mixing box 12. The groove 17 on the surface of the stirring rod 13 facilitates the discharge of materials from the connected conveying pipe 10, and pre-mixes the different metal solutions and oxygen-enriched gas stored here, so as to facilitate the delivery of fuel to the flame plate 14 on the left side.

[0054] A housing 24 is fixed to the top of the flame plate 14, and a hollow gear 27 is movably connected to the center of the housing 24. A transmission gear 25 is movably connected to the upper part of the housing 24. A motor 26 is installed in the upper right corner of the housing 24. A cylinder 21 is horizontally fixed inside the hollow gear 27, and a piston rod 23 is fixed to the left side of the cylinder 21. A connecting rod 15 is fixed to the left side of the piston rod 23, and a brush plate 16 is installed below the connecting rod 15. A spring 22 is installed between the connecting rod 15 and the cylinder 21.

[0055] Spring 22 is wrapped around the outside of piston rod 23. Piston rod 23 pushes connecting rod 15 horizontally from left to right. The output end of motor 26 is fixedly connected to transmission gear 25. Cylinder 21 rotates horizontally in housing 24 with hollow gear 27.

[0056] Specifically, such as Figure 1 and Figure 4 As shown, the motor 26 is started and the transmission gear 25 is rotated, which in turn pushes the hollow gear 27 at the bottom and the internal cylinder 21 to rotate back and forth together, guiding the brush 16 installed on the left connecting rod 15 to scrape and clean along the surface of the flame plate 14, so as to prevent the condensed material from clogging the combustion nozzle. When in use, the brush 16 is removed. Under the restriction of the spring 22, the distance between the brush 16 and the flame plate 14 can also be adjusted by the piston rod 23 of the cylinder 21.

[0057] Specifically, the metal solution includes a red liquid fuel and a yellow liquid fuel. The red liquid fuel is a strontium chloride complex solution, which, by mass fraction, comprises 60-80% ethanol, 15-35% water, and 5% strontium chloride. The yellow liquid fuel is a sodium nitrate complex solution, which, by mass fraction, comprises 60-80% ethanol, 15-35% water, and 5% sodium nitrate.

[0058] Working Principle: In use, this invention first injects a metal solution containing a combustion accelerant and oxygen-enriched gas into different cavities 4 through the surrounding feed valves 5. Then, the corresponding flow control valves 6 are activated, allowing a certain proportion of the metal solution and oxygen-enriched gas to be introduced into the mixing tank 12 for storage via the disc 8, material pump 9, and conveying pipe 10. Subsequently, flames of different colors are emitted through the flame-spraying disc 14 on the left. Specifically, red liquid fuel, yellow liquid fuel, and the blue flame from the combustion of natural gas form a red, yellow, and blue tri-color flame. The tri-color principle allows for dynamic combinations of various colors. In this embodiment, the color change is achieved by adjusting the dosage of red and yellow liquid fuel, satisfying diverse visual display needs. During material transfer, motor 11 is activated. The rotating gear disc 19 in the frame 18 drives the rotating gear disc 20 on the left side, which in turn drives the stirring rod 13, which is fixedly connected to the gear disc 20, to rotate in the mixing box 12. The groove 17 on the surface of the stirring rod 13 facilitates the discharge of materials from the connected conveying pipe 10. The different metal solutions and oxygen-enriched gas stored here are pre-mixed. After use, the motor 26 is started and the transmission gear 25 is rotated, which pushes the hollow gear 27 at the bottom and the internal cylinder 21 to rotate back and forth. This guides the brush disc 16 installed on the left connecting rod 15 to scrape and clean along the surface of the flame plate 14, preventing the condensed material from clogging the combustion nozzle. When in use, the brush disc 16 is removed. Under the restriction of the spring 22, the distance between the brush disc 16 and the flame plate 14 can be adjusted by the piston rod 23 of the cylinder 21.

[0059] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A burner that sprays colored flames, comprising a substrate (1) and a storage tank (3), characterized in that: A storage tank (3) is installed on the right side of the top of the substrate (1), and multiple sets of feed valves (5) are installed on the surface of the storage tank (3). The storage tank (3) has multiple sets of independent cavities (4) inside, and different metal solutions and oxygen-enriched gases are injected into different cavities through multiple feed valves. Multiple flow control valves (6) are installed on the top of the storage tank (3), and a suction tube (7) is installed inside the flow control valve (6). A disc body (8) is installed between the top ends of the suction tubes (7), and a material pump (9) is fixed on the top end of the disc body (8). The material pump (9) delivers... A delivery pipe (10) is fixed at the outlet end. A support column (2) is fixed on the left side of the top of the base plate (1), and a mixing box (12) is installed above the support column (2). A flame plate (14) is installed on the left side of the mixing box (12). A combustion nozzle is provided on the flame plate. The combustion nozzle is a high-pressure nozzle. A gas supply pipeline is provided on the side of the flame plate (14). One end of the gas supply pipeline is connected to a gas supply source, and the other end is provided with a gas injector. The gas injector is close to the combustion nozzle. A flow control valve is provided at the gas injector. An ignition device is provided on the flame plate. The top of the flame plate (14) is fixed with a housing (24), and a hollow gear (27) is movably connected to the center inside the housing (24). A transmission gear (25) is movably connected to the upper part inside the housing (24). A motor (26) is installed in the upper right corner inside the housing (24). A cylinder (21) is horizontally fixed inside the hollow gear (27), and a piston rod (23) is fixed on the left side inside the cylinder (21). A connecting rod (15) is fixed on the left side of the piston rod (23), and a brush plate (16) is installed below the connecting rod (15). A spring (22) is installed between the connecting rod (15) and the cylinder (21).

2. The burner for spraying colored flames according to claim 1, characterized in that: The straw (7) is embedded in the cavity (4) and is connected to the delivery tube (10) by means of the disc (8).

3. A burner for spraying colored flames according to claim 1, characterized in that: A bracket (18) is installed on the right side of the outside of the mixing box (12), and a motor (11) is installed above the top of the bracket (18). A gear disc (19) is movably connected below the top of the bracket (18), and a gear disc (20) is movably connected to the left side of the bracket (18). A stirring rod (13) is movably connected to the center of the right side inside the mixing box (12), and a slot (17) is provided at the center of the stirring rod (13). The conveying pipe (10) is movably connected to the gear disc (20). The bottom of the output end of the motor (11) is fixedly connected to the gear disc (19), and the gear disc (19) is meshed with the upper right corner of the gear disc (20). The left side of the gear disc (20) is fixedly connected to the stirring rod (13), and the conveying pipe (10) is connected to the stirring rod (13) through the gear disc (20).

4. A burner for spraying colored flames according to claim 1, characterized in that: The spring (22) is wound around the outside of the piston rod (23), which pushes the connecting rod (15) horizontally from left to right.

5. A burner for spraying colored flames according to claim 1, characterized in that: The output end of the second motor (26) is fixedly connected to the transmission gear (25), and the cylinder (21) rotates horizontally in the housing (24) along with the hollow gear (27).

6. A burner for spraying colored flames according to claim 1, characterized in that: The metal solution includes a red liquid fuel and a yellow liquid fuel; the red liquid fuel is a strontium chloride complex solution, and the yellow liquid fuel is a sodium nitrate complex solution.

7. A burner for spraying colored flames according to claim 6, characterized in that: The strontium chloride complex solution comprises, by mass fraction, 60-80% ethanol, 15-35% water and 5% strontium chloride; the sodium nitrate complex solution comprises, by mass fraction, 60-80% ethanol, 15-35% water and 5% sodium nitrate.

8. A burner for spraying colored flames according to claim 1, characterized in that: It also includes an electronic control system, which is electrically connected to the combustion nozzle, gas injector, and each flow control valve, and can control the flow rate of each flow control valve and the injection pressure of the combustion nozzle and gas injector. The electronic control system stores flame color data, which includes at least the mapping relationship between different flame colors and different ratios, flow rates, and injection pressures of the metal solution, gas, and oxygen-enriched gas. Based on a specified flame color and the flame color data, the electronic control system controls each flow control valve to allocate different flow rates of the metal solution, gas, and oxygen-enriched gas, and controls the injection pressure of the combustion nozzle and gas injector. The control method is as follows: (1) Color analysis: A. Enter the target flame color; B. Use the flame color database for spectral matching; C. Output metal solution combination scheme; (2) Calculate the flow requirements of each component according to the proportioning scheme. a) Metal solution flow rate Qm = km×S×√(ΔP / ρ); b) Oxygen-enriched gas flow rate Qo = α×Qm^β; c) Gas flow rate Qg = γ×(Qm + Qo); Where Qm is the flow rate of the molten metal, km is the solution characteristic coefficient, S is the effective cross-sectional area of ​​the flow channel, ΔP is the difference between the pressure of the molten metal in the storage tank and the pressure in the external combustion zone, ρ is the density of the molten metal; Qo is the flow rate of the oxygen-enriched gas, α is the oxidation reaction proportionality coefficient, β is the oxidation reaction nonlinearity index; Qg is the fuel gas flow rate, and γ is the calorific value compensation coefficient.

9. A burner for spraying colored flames according to claim 8, characterized in that: The electronic control system also includes a monitoring component; the monitoring component is used to monitor and capture flame images at the combustion nozzle, and further obtain quantified flame color values ​​based on the flame images; The electronic control system performs feedback control on the combustion nozzle, gas injector, and each flow control valve based on the difference between the flame color value and the flame color data.

Images